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 1-2 of 2 results.

A120244 a(1) = 1. a(m(m+1)/2 + k) = a(m) + k, 1 <= k <= m+1, m >= 1.

Original entry on oeis.org

1, 2, 3, 3, 4, 5, 4, 5, 6, 7, 4, 5, 6, 7, 8, 5, 6, 7, 8, 9, 10, 6, 7, 8, 9, 10, 11, 12, 5, 6, 7, 8, 9, 10, 11, 12, 6, 7, 8, 9, 10, 11, 12, 13, 14, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 6, 7, 8, 9, 10, 11, 12
Offset: 1

Views

Author

Leroy Quet, Jun 12 2006

Keywords

Crossrefs

Programs

  • PARI
    \\ See links.

Extensions

Extended by Ray Chandler, Jun 19 2006

A120245 a(1) = 1. a(m(m+1)/2 + k) = a(m) + a(k), 1 <= k <= m+1, m >= 1.

Original entry on oeis.org

1, 2, 3, 3, 4, 5, 4, 5, 6, 6, 4, 5, 6, 6, 7, 5, 6, 7, 7, 8, 9, 6, 7, 8, 8, 9, 10, 9, 5, 6, 7, 7, 8, 9, 8, 9, 6, 7, 8, 8, 9, 10, 9, 10, 11, 7, 8, 9, 9, 10, 11, 10, 11, 12, 12, 7, 8, 9, 9, 10, 11, 10, 11, 12, 12, 10, 5, 6, 7, 7, 8, 9, 8, 9, 10, 10, 8, 9, 6, 7, 8, 8, 9, 10, 9, 10, 11, 11, 9, 10, 11, 7, 8
Offset: 1

Views

Author

Leroy Quet, Jun 12 2006

Keywords

Crossrefs

Programs

  • Mathematica
    nn = 12; a[1] = 1; Do[Set[j, a[m] + a[k]]; Set[a[m (m + 1)/2 + k], j], {m, nn}, {k, m + 1}]; Array[a, # (# + 1)/2] &[nn + 1] (* Michael De Vlieger, Aug 23 2022 *)
  • PARI
    \\ See links.

Extensions

Extended by Ray Chandler, Jun 19 2006
Showing 1-2 of 2 results.