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.

A224151 Number of 7Xn 0..1 arrays with rows and antidiagonals unimodal and columns nondecreasing.

Table of values

n a(n)
1 8
2 64
3 357
4 1536
5 5471
6 16885
7 46586
8 117510
9 275557
10 608423
11 1277544
12 2571226
13 4991541
14 9394324
15 17211567
16 30799955
17 53979914
18 92858530
19 157069847
20 261620888
21 429605663
22 696147855
23 1114062432
24 1761895136
25 2755216271
26 4262322913

List of values

[8, 64, 357, 1536, 5471, 16885, 46586, 117510, 275557, 608423, 1277544, 2571226, 4991541, 9394324, 17211567, 30799955, 53979914, 92858530, 157069847, 261620888, 429605663, 696147855, 1114062432, 1761895136, 2755216271, 4262322913]