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.

A266544 Number of nX5 binary arrays with rows and columns lexicographically nondecreasing and row and column sums nonincreasing.

Table of values

n a(n)
1 2
2 4
3 8
4 16
5 36
6 58
7 110
8 196
9 363
10 695
11 1157
12 2023
13 3446
14 5755
15 9485
16 14901
17 23156
18 35568
19 53350
20 79575
21 114919
22 165223
23 233650
24 327246
25 453231
26 618603
27 836533
28 1122433
29 1490044
30 1967385
31 2565448
32 3329153
33 4284884
34 5482977
35 6970961
36 8800503

List of values

[2, 4, 8, 16, 36, 58, 110, 196, 363, 695, 1157, 2023, 3446, 5755, 9485, 14901, 23156, 35568, 53350, 79575, 114919, 165223, 233650, 327246, 453231, 618603, 836533, 1122433, 1490044, 1967385, 2565448, 3329153, 4284884, 5482977, 6970961, 8800503]