cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

Showing 1-10 of 23 results. Next

A152903 Convolution triangle: A152901 * (A152902 * 0^(n-k)).

Original entry on oeis.org

1, -1, 3, -1, -3, 7, 0, -3, -7, 14, -1, 0, -7, -14, -1, 0, -7, -14, 1, -3, 0, -14, -27, 49, -1, 3, -7, 0, -27, -49, 88, 0, -3, 7, -14, 0, -49, -88, 155, 0, 0, -7, 14, -27, 0, -88, -155, 272, 1, 0, 0, -14, 27, -49, 0, -155, -272, 472
Offset: 1

Views

Author

Gary W. Adamson, Dec 14 2008

Keywords

Comments

Row sums = n, equivalent to the statement that A008683 convolved with A152902 = A000027, the natural numbers. Right border = A152902, left border = A008683.

Examples

			First few rows of the triangle =
1;
-1, 3;
-1, -3, 7;
0, -3, -7, 14;
-1, 0, -7, -14, 27;
1, -3, 0, -14, -27, 49;
-1, 3, -7, 0, -27, -49, 88;
0, -3, 7, -14, 0, -49, -88, 155;
0, 0, -7, 14, -27, 0, -88, -155, 272;
1, 0, 0, -14, 27, -49, 0, -155, -272, 472;
-1, 3, 0, 0, -27, 49, -88, 0, -272, -472, 819;
...

Crossrefs

Cf. A152901, A152902, A000027, A008683.

Formula

Triangle read by rows, A152901 * (A152902 * 0^(n-k); where triangle A152901 = a mu(n) "decrescendo" triangle with mu(n), A008683 in every column. (A152902 * 0^(n-k)) = a matrix with A152902 as the main diagonal and the rest zeros.

A155692 Decimal expansion of log_24(21).

Original entry on oeis.org

9, 5, 7, 9, 8, 3, 2, 8, 1, 6, 7, 0, 8, 7, 6, 2, 0, 0, 9, 6, 9, 8, 9, 1, 8, 0, 5, 7, 9, 3, 2, 6, 5, 4, 0, 5, 3, 2, 3, 6, 6, 0, 1, 1, 9, 3, 1, 5, 1, 2, 0, 1, 1, 4, 7, 0, 3, 2, 8, 3, 9, 2, 1, 2, 1, 8, 2, 1, 6, 5, 0, 7, 4, 7, 9, 3, 1, 8, 2, 7, 9, 8, 5, 8, 2, 1, 1, 9, 0, 8, 0, 8, 5, 4, 8, 8, 2, 4, 6
Offset: 0

Views

Author

N. J. A. Sloane, Oct 30 2009

Keywords

Examples

			0.95798328167087620096989180579326540532366011931512011470328...

Links

Crossrefs

Inverse of A156028.
Cf. decimal expansion of log_24(m): A152901 (m=2), A153100 (m=3), A153200 (m=4), A153458 (m=5), A153614 (m=6), A153736 (m=7), A154007 (m=8), A154116 (m=9), A154174 (m=10), A154195 (m=11), A154216 (m=12), A154461 (m=13), A154538 (m=14), A154735 (m=15), A154846 (m=16), A154904 (m=17), A154994 (m=18), A155168 (m=19), A155535 (m=20), this sequence, A155792 (m=22), A155920 (m=23).

Programs

  • Mathematica
    RealDigits[Log[24, 21], 10, 100][[1]] (* Vincenzo Librandi, Sep 10 2013 *)

A153100 Decimal expansion of log_24 (3).

Original entry on oeis.org

3, 4, 5, 6, 8, 7, 1, 2, 4, 0, 4, 3, 4, 0, 5, 3, 2, 2, 3, 1, 1, 9, 8, 6, 5, 8, 0, 6, 6, 9, 8, 3, 4, 8, 3, 4, 1, 1, 7, 0, 1, 8, 7, 2, 3, 5, 0, 1, 5, 0, 0, 6, 9, 7, 1, 5, 5, 7, 8, 5, 5, 3, 0, 6, 0, 7, 4, 4, 7, 2, 8, 5, 5, 4, 9, 7, 0, 2, 2, 9, 4, 7, 0, 6, 0, 2, 4, 6, 8, 5, 7, 4, 3, 5, 3, 3, 3, 5, 7
Offset: 0

Views

Author

N. J. A. Sloane, Oct 30 2009

Keywords

Examples

			0.34568712404340532231198658066983483411701872350150069715578...

Links

Crossrefs

Cf. decimal expansion of log_24(m): A152901 (m=2), this sequence, A153200 (m=4), A153458 (m=5), A153614 (m=6), A153736 (m=7), A154007 (m=8), A154116 (m=9), A154174 (m=10), A154195 (m=11), A154216 (m=12), A154461 (m=13), A154538 (m=14), A154735 (m=15), A154846 (m=16), A154904 (m=17), A154994 (m=18), A155168 (m=19), A155535 (m=20), A155692 (m=21), A155792 (m=22), A155920 (m=23).

Programs

  • Mathematica
    RealDigits[Log[24, 3], 10, 100][[1]] (* Vincenzo Librandi, Sep 10 2013 *)

A153200 Decimal expansion of log_24(4).

Original entry on oeis.org

4, 3, 6, 2, 0, 8, 5, 8, 3, 9, 7, 1, 0, 6, 3, 1, 1, 8, 4, 5, 8, 6, 7, 5, 6, 1, 2, 8, 8, 6, 7, 7, 6, 7, 7, 7, 2, 5, 5, 3, 2, 0, 8, 5, 0, 9, 9, 8, 9, 9, 9, 5, 3, 5, 2, 2, 9, 4, 7, 6, 3, 1, 2, 9, 2, 8, 3, 6, 8, 4, 7, 6, 3, 0, 0, 1, 9, 8, 4, 7, 0, 1, 9, 5, 9, 8, 3, 5, 4, 2, 8, 3, 7, 6, 4, 4, 4, 2, 8
Offset: 0

Views

Author

N. J. A. Sloane, Oct 30 2009

Keywords

Examples

			0.43620858397106311845867561288677677725532085099899953522947...

Links

Crossrefs

Cf. decimal expansion of log_24(m): A152901 (m=2), A153100 (m=3), this sequence, A153458 (m=5), A153614 (m=6), A153736 (m=7), A154007 (m=8), A154116 (m=9), A154174 (m=10), A154195 (m=11), A154216 (m=12), A154461 (m=13), A154538 (m=14), A154735 (m=15), A154846 (m=16), A154904 (m=17), A154994 (m=18), A155168 (m=19), A155535 (m=20), A155692 (m=21), A155792 (m=22), A155920 (m=23).

Programs

A153458 Decimal expansion of log_24(5).

Original entry on oeis.org

5, 0, 6, 4, 2, 2, 4, 8, 3, 1, 7, 6, 7, 2, 2, 3, 0, 5, 5, 1, 5, 0, 9, 9, 4, 1, 9, 2, 0, 7, 5, 8, 7, 6, 2, 7, 9, 9, 1, 0, 2, 2, 4, 7, 6, 2, 7, 8, 1, 4, 9, 2, 8, 6, 3, 0, 9, 0, 3, 2, 0, 2, 8, 7, 2, 0, 8, 9, 1, 4, 5, 7, 1, 8, 9, 8, 0, 5, 5, 3, 8, 2, 5, 9, 2, 4, 5, 5, 3, 9, 2, 7, 7, 0, 4, 0, 6, 1, 1
Offset: 0

Views

Author

N. J. A. Sloane, Oct 30 2009

Keywords

Examples

			0.50642248317672230551509941920758762799102247627814928630903...

Links

Crossrefs

Cf. decimal expansion of log_24(m): A152901 (m=2), A153100 (m=3), A153200 (m=4), this sequence, A153614 (m=6), A153736 (m=7), A154007 (m=8), A154116 (m=9), A154174 (m=10), A154195 (m=11), A154216 (m=12), A154461 (m=13), A154538 (m=14), A154735 (m=15), A154846 (m=16), A154904 (m=17), A154994 (m=18), A155168 (m=19), A155535 (m=20), A155692 (m=21), A155792 (m=22), A155920 (m=23).

Programs

  • Mathematica
    RealDigits[Log[24, 5], 10, 100][[1]] (* Vincenzo Librandi, Sep 10 2013 *)

A153614 Decimal expansion of log_24 (6).

Original entry on oeis.org

5, 6, 3, 7, 9, 1, 4, 1, 6, 0, 2, 8, 9, 3, 6, 8, 8, 1, 5, 4, 1, 3, 2, 4, 3, 8, 7, 1, 1, 3, 2, 2, 3, 2, 2, 2, 7, 4, 4, 6, 7, 9, 1, 4, 9, 0, 0, 1, 0, 0, 0, 4, 6, 4, 7, 7, 0, 5, 2, 3, 6, 8, 7, 0, 7, 1, 6, 3, 1, 5, 2, 3, 6, 9, 9, 8, 0, 1, 5, 2, 9, 8, 0, 4, 0, 1, 6, 4, 5, 7, 1, 6, 2, 3, 5, 5, 5, 7, 1
Offset: 0

Views

Author

N. J. A. Sloane, Oct 30 2009

Keywords

Examples

			.56379141602893688154132438711322322274467914900100046477052...

Links

Crossrefs

Cf. decimal expansion of log_24(m): A152901 (m=2), A153100 (m=3), A153200 (m=4), A153458 (m=5), this sequence, A153736 (m=7), A154007 (m=8), A154116 (m=9), A154174 (m=10), A154195 (m=11), A154216 (m=12), A154461 (m=13), A154538 (m=14), A154735 (m=15), A154846 (m=16), A154904 (m=17), A154994 (m=18), A155168 (m=19), A155535 (m=20), A155692 (m=21), A155792 (m=22), A155920 (m=23).

Programs

  • Mathematica
    RealDigits[Log[24, 6], 10, 120][[1]] (* Harvey P. Dale, Aug 22 2011 *)

A153736 Decimal expansion of log_24(7).

Original entry on oeis.org

6, 1, 2, 2, 9, 6, 1, 5, 7, 6, 2, 7, 4, 7, 0, 8, 7, 8, 6, 5, 7, 9, 0, 5, 2, 2, 5, 1, 2, 3, 4, 3, 0, 5, 7, 1, 2, 0, 6, 6, 4, 1, 3, 9, 5, 8, 1, 3, 6, 1, 9, 4, 1, 7, 5, 4, 7, 4, 9, 8, 3, 9, 0, 6, 1, 0, 7, 6, 9, 2, 2, 1, 9, 2, 9, 6, 1, 5, 9, 8, 5, 1, 5, 2, 1, 8, 7, 2, 2, 2, 3, 4, 1, 9, 5, 4, 8, 8, 9
Offset: 0

Views

Author

N. J. A. Sloane, Oct 30 2009

Keywords

Examples

			0.61229615762747087865790522512343057120664139581361941754749...

Links

Crossrefs

Cf. decimal expansion of log_24(m): A152901 (m=2), A153100 (m=3), A153200 (m=4), A153458 (m=5), A153614 (m=6), this sequence, A154007 (m=8), A154116 (m=9), A154174 (m=10), A154195 (m=11), A154216 (m=12), A154461 (m=13), A154538 (m=14), A154735 (m=15), A154846 (m=16), A154904 (m=17), A154994 (m=18), A155168 (m=19), A155535 (m=20), A155692 (m=21), A155792 (m=22), A155920 (m=23).

Programs

  • Mathematica
    RealDigits[Log[24, 7], 10, 100][[1]] (* Vincenzo Librandi, Sep 10 2013 *)

A154007 Decimal expansion of log_24(8).

Original entry on oeis.org

6, 5, 4, 3, 1, 2, 8, 7, 5, 9, 5, 6, 5, 9, 4, 6, 7, 7, 6, 8, 8, 0, 1, 3, 4, 1, 9, 3, 3, 0, 1, 6, 5, 1, 6, 5, 8, 8, 2, 9, 8, 1, 2, 7, 6, 4, 9, 8, 4, 9, 9, 3, 0, 2, 8, 4, 4, 2, 1, 4, 4, 6, 9, 3, 9, 2, 5, 5, 2, 7, 1, 4, 4, 5, 0, 2, 9, 7, 7, 0, 5, 2, 9, 3, 9, 7, 5, 3, 1, 4, 2, 5, 6, 4, 6, 6, 6, 4, 2
Offset: 0

Views

Author

N. J. A. Sloane, Oct 30 2009

Keywords

Examples

			0.65431287595659467768801341933016516588298127649849930284421...

Links

Crossrefs

Cf. decimal expansion of log_24(m): A152901 (m=2), A153100 (m=3), A153200 (m=4), A153458 (m=5), A153614 (m=6), A153736 (m=7), this sequence, A154116 (m=9), A154174 (m=10), A154195 (m=11), A154216 (m=12), A154461 (m=13), A154538 (m=14), A154735 (m=15), A154846 (m=16), A154904 (m=17), A154994 (m=18), A155168 (m=19), A155535 (m=20), A155692 (m=21), A155792 (m=22), A155920 (m=23).

Programs

  • Mathematica
    RealDigits[Log[24, 8], 10, 100][[1]] (* Vincenzo Librandi, Sep 10 2013 *)

A154116 Decimal expansion of log_24(9).

Original entry on oeis.org

6, 9, 1, 3, 7, 4, 2, 4, 8, 0, 8, 6, 8, 1, 0, 6, 4, 4, 6, 2, 3, 9, 7, 3, 1, 6, 1, 3, 3, 9, 6, 6, 9, 6, 6, 8, 2, 3, 4, 0, 3, 7, 4, 4, 7, 0, 0, 3, 0, 0, 1, 3, 9, 4, 3, 1, 1, 5, 7, 1, 0, 6, 1, 2, 1, 4, 8, 9, 4, 5, 7, 1, 0, 9, 9, 4, 0, 4, 5, 8, 9, 4, 1, 2, 0, 4, 9, 3, 7, 1, 4, 8, 7, 0, 6, 6, 7, 1, 4
Offset: 0

Views

Author

N. J. A. Sloane, Oct 30 2009

Keywords

Examples

			0.69137424808681064462397316133966966823403744700300139431157...

Links

Crossrefs

Cf. decimal expansion of log_24(m): A152901 (m=2), A153100 (m=3), A153200 (m=4), A153458 (m=5), A153614 (m=6), A153736 (m=7), A154007 (m=8), this sequence, A154174 (m=10), A154195 (m=11), A154216 (m=12), A154461 (m=13), A154538 (m=14), A154735 (m=15), A154846 (m=16), A154904 (m=17), A154994 (m=18), A155168 (m=19), A155535 (m=20), A155692 (m=21), A155792 (m=22), A155920 (m=23).

Programs

  • Mathematica
    RealDigits[Log[24, 9], 10, 100][[1]] (* Vincenzo Librandi, Sep 10 2013 *)

A154174 Decimal expansion of log_24(10).

Original entry on oeis.org

7, 2, 4, 5, 2, 6, 7, 7, 5, 1, 6, 2, 2, 5, 3, 8, 6, 4, 7, 4, 4, 4, 3, 7, 2, 2, 5, 6, 5, 0, 9, 7, 6, 0, 1, 6, 6, 1, 8, 6, 8, 2, 9, 0, 1, 7, 7, 7, 6, 4, 9, 0, 5, 3, 9, 2, 3, 7, 7, 0, 1, 8, 5, 1, 8, 5, 0, 7, 5, 6, 9, 5, 3, 3, 9, 9, 0, 4, 7, 7, 3, 3, 5, 7, 2, 3, 7, 3, 1, 0, 6, 9, 5, 8, 6, 2, 8, 2, 5
Offset: 0

Views

Author

N. J. A. Sloane, Oct 30 2009

Keywords

Examples

			0.72452677516225386474443722565097601661868290177764905392377...

Links

Crossrefs

Cf. decimal expansion of log_24(m): A152901 (m=2), A153100 (m=3), A153200 (m=4), A153458 (m=5), A153614 (m=6), A153736 (m=7), A154007 (m=8), A154116 (m=9), this sequence, A154195 (m=11), A154216 (m=12), A154461 (m=13), A154538 (m=14), A154735 (m=15), A154846 (m=16), A154904 (m=17), A154994 (m=18), A155168 (m=19), A155535 (m=20), A155692 (m=21), A155792 (m=22), A155920 (m=23).

Programs

  • Mathematica
    RealDigits[Log[24, 10], 10, 100][[1]] (* Vincenzo Librandi, Sep 10 2013 *)
Showing 1-10 of 23 results. Next

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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