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.

A224032 Number of n X n 0..1 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.

Table of values

n a(n)
1 2
2 8
3 37
4 168
5 734
6 3107
7 12856
8 52356
9 210890
10 843084
11 3353221
12 13291387
13 52567559
14 207621934
15 819398693
16 3232688584
17 12752707695
18 50314551092
19 198559706395
20 783841017918
21 3095442338516
22 12228799206771

List of values

[2, 8, 37, 168, 734, 3107, 12856, 52356, 210890, 843084, 3353221, 13291387, 52567559, 207621934, 819398693, 3232688584, 12752707695, 50314551092, 198559706395, 783841017918, 3095442338516, 12228799206771]

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

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