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.

A224161 Number of 5Xn 0..1 arrays with diagonals and rows unimodal and antidiagonals nondecreasing.

Table of values

n a(n)
1 32
2 324
3 900
4 1783
5 3469
6 6786
7 13283
8 25624
9 48339
10 88755
11 158358
12 274636
13 463580
14 763045
15 1227226
16 1932567
17 2985495
18 4532457
19 6772837
20 9975443
21 14499382
22 20820285
23 29563005
24 41542090
25 57811531
26 79725503
27 109012056
28 147861974

List of values

[32, 324, 900, 1783, 3469, 6786, 13283, 25624, 48339, 88755, 158358, 274636, 463580, 763045, 1227226, 1932567, 2985495, 4532457, 6772837, 9975443, 14499382, 20820285, 29563005, 41542090, 57811531, 79725503, 109012056, 147861974]