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.

A143672 Number of chains (totally ordered subsets) in the poset of Dyck paths ordered by inclusion.

Table of values

n a(n)
0 1
1 2
2 4
3 24
4 816
5 239968
6 808814912
7 38764383658368
8 31491961129357837056
9 503091371552266970507912704
10 179763631086276515267399940231898112
11 1609791936564515363272979180683040232936253440

List of values

[1, 2, 4, 24, 816, 239968, 808814912, 38764383658368, 31491961129357837056, 503091371552266970507912704, 179763631086276515267399940231898112, 1609791936564515363272979180683040232936253440]

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

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