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.

Previous Showing 21-24 of 24 results.

A358645 Decimal expansion of 4/5 + log(5).

Original entry on oeis.org

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

Views

Author

Stefano Spezia, Nov 24 2022

Keywords

Examples

			2.40943791243410037460075933322618763952560135426851772191...
		

Crossrefs

Cf. A358646. Apart from first 2 digits the same as A016628.

Programs

  • Mathematica
    First[RealDigits[N[4/5+Log[5],91]]]

A022773 Ordered sequence of distinct terms of the form floor(x^i * floor(x^j)), i,j >= 0, where x = log(5).

Original entry on oeis.org

1, 2, 3, 4, 5, 6, 8, 9, 10, 13, 15, 16, 17, 21, 25, 26, 27, 34, 40, 41, 43, 44, 45, 55, 64, 67, 69, 70, 72, 90, 104, 107, 111, 112, 114, 115, 116, 144, 167, 173, 180, 181, 183, 186, 187, 233, 270, 279, 289, 291, 295, 300, 301, 302, 375, 434, 450, 466, 469
Offset: 1

Views

Author

Keywords

Crossrefs

Cf. A016628 (log(5)).

Extensions

Offset corrected by Sean A. Irvine, May 21 2019

A067922 Engel expansion of log(5).

Original entry on oeis.org

1, 2, 5, 11, 27, 33, 103, 110, 133, 193, 999, 1921, 5277, 39085, 279568, 365167, 870685, 1539231, 3794071244, 9761250028, 10906977906, 18144658921, 103136388637, 134389561244, 139712478096, 667384153244, 731220192045, 1317705035571, 1664555384503, 3008856758047
Offset: 1

Views

Author

Benoit Cloitre, Mar 03 2002

Keywords

Crossrefs

See A006784 for explanation of Engel expansions.
Cf. A016628.

Programs

  • PARI
    \\ a(1)=1 and for n>1:
    s=log(5); for(i=1,30,s=s*ceil(1/s)-1; print1(ceil(1/s),","); );

A196566 Decimal expansion of log(log(5)).

Original entry on oeis.org

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

Views

Author

Kausthub Gudipati, Oct 04 2011

Keywords

Examples

			log(log(5)) = 0.4758849953271106210...
		

Crossrefs

Programs

Previous Showing 21-24 of 24 results.