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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.

A369322 a(n) is the number of weak ascent sequences (of any length) with n weak ascents.

Table of values

n a(n)
0 1
1 1
2 3
3 20
4 285
5 8498
6 521549
7 65149296
8 16446593964
9 8354292354562
10 8517018874559019
11 17400156347544892896
12 71175200852044807325678
13 582639858848549658827324726
14 9542182685892187892079287210803
15 312611431819035281373960038697247872

List of values

[1, 1, 3, 20, 285, 8498, 521549, 65149296, 16446593964, 8354292354562, 8517018874559019, 17400156347544892896, 71175200852044807325678, 582639858848549658827324726, 9542182685892187892079287210803, 312611431819035281373960038697247872]

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

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