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 1-3 of 3 results.

A111807 a(n) = maximal value in row n of A111804.

Original entry on oeis.org

1, 2, 6, 4, 15, 6, 21, 8, 18, 15, 44, 12, 65, 21, 20, 16, 85, 18, 114, 20, 35, 44, 138, 24, 75, 65, 54, 28, 174, 30, 186, 32, 66, 85, 42, 36, 296, 114, 65, 40, 287, 42, 301, 44, 45, 138, 376, 48, 147, 75, 102, 65, 371, 54, 88, 56, 114, 174, 413, 60, 488, 186, 72, 64, 117, 66
Offset: 1

Views

Author

N. J. A. Sloane, based on communications from Franklin T. Adams-Watters, Nov 22 2005

Keywords

References

  • Franklin T. Adams-Watters, Posting to Seq Fan mailing list, Aug 21 2004

Links

Crossrefs

Cf. A097847, A097848, A097849, A111804, A111809, A111860.

Extensions

More terms from David Wasserman, Feb 18 2009

A111860 a(n) = maximal value in row n of A111809.

Original entry on oeis.org

1, 2, 8, 6, 18, 6, 39, 14, 24, 20, 95, 12, 101, 41, 32, 30, 160, 26, 198, 27, 50, 94, 276, 24, 96, 103, 80, 42, 394, 30, 382, 62, 91, 165, 72, 36, 594, 200, 106, 54, 548, 45, 632, 93, 96, 278, 719, 48, 283, 98, 165, 104, 872, 78, 132, 75, 206, 392, 1020, 60, 1128, 384
Offset: 1

Views

Author

N. J. A. Sloane, based on communications from Franklin T. Adams-Watters, Nov 22 2005

Keywords

References

  • Franklin T. Adams-Watters, Posting to Seq Fan mailing list, Aug 21 2004

Links

Crossrefs

Cf. A097847, A097848, A097849, A111804, A111809, A111860.

Extensions

Corrected and extended by David Wasserman, Mar 20 2009

A111809 Triangle read by rows: for T(n,k), 1<=k<=n, gcd(k,n)=1, consider all representations of k/n as an Egyptian fraction; T(n,k) = minimal value of sum of denominators.

Original entry on oeis.org

1, 2, 3, 8, 4, 6, 5, 18, 12, 17, 6, 5, 7, 32, 39, 16, 23, 36, 8, 12, 10, 14, 9, 24, 12, 20, 17, 23, 10, 15, 7, 20, 11, 72, 48, 36, 47, 24, 35, 95, 72, 60, 12, 10, 7, 12, 13, 98, 71, 82, 95, 101, 28, 41, 47, 58, 71, 96, 14, 21, 34, 9, 34, 41, 15, 32, 16, 21, 8, 23, 13, 15, 16, 24, 20
Offset: 1

Views

Author

N. J. A. Sloane, based on communications from Franklin T. Adams-Watters, Nov 22 2005

Keywords

Comments

Row n has A000010(n) members. - David Wasserman, Mar 03 2009

Examples

			Triangle begins:
  1
  2
  3 8
  4 6
  5 18 12 17
  6 5
  7 32 39 16 23 36
  8 12 10 14
  9 24 12 20 17 23
  10 15 7 20
  11 72 48 36 47 24 35 95 72 60
  12 10 7 12

References

  • Franklin T. Adams-Watters, Posting to Seq Fan mailing list, Aug 21 2004

Links

Crossrefs

Cf. A097847, A097848, A097849, A111807, A111804, A111860.

Extensions

Corrected and extended by David Wasserman, Mar 03 2009
T(15, 14) corrected by David Wasserman, Mar 19 2009
Showing 1-3 of 3 results.

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

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