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.

A359109 Row sums of the accumulated Stirling2 triangle A359107.

Original entry on oeis.org

1, 1, 3, 10, 38, 161, 747, 3753, 20253, 116642, 713130, 4607813, 31345921, 223767233, 1671430607, 13030153118, 105777688842, 892355720117, 7808793918123, 70763428070825, 663061665021433, 6415290033157950, 64009171867651406, 657841277082303361, 6956340269434938161
Offset: 0

Views

Author

Peter Luschny, Dec 27 2022

Keywords

Crossrefs

Cf. A359107.

Programs

  • Maple
    with(ListTools): ps := L -> PartialSums(L):
    seq(add(i, i = ps([seq(Stirling2(n, k), k = 0..n)])), n = 0..24);
  • PARI
    a(n) = sum(k=0, n, sum(j=0, k, stirling(n, j, 2))); \\ Michel Marcus, Dec 28 2022