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.

A201501 Number of n X 5 0..1 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.

Table of values

n a(n)
1 2
2 3
3 12
4 12
5 40
6 32
7 98
8 73
9 204
10 141
11 380
12 252
13 650
14 414
15 1042
16 649
17 1590
18 967
19 2330
20 1394
21 3302
22 1944
23 4550
24 2649
25 6122
26 3523
27 8070
28 4604
29 10450
30 5910
31 13320
32 7483
33 16744
34 9343
35 20790
36 11538
37 25528
38 14090
39 31032
40 17053
41 37382
42 20451
43 44660
44 24342

List of values

[2, 3, 12, 12, 40, 32, 98, 73, 204, 141, 380, 252, 650, 414, 1042, 649, 1590, 967, 2330, 1394, 3302, 1944, 4550, 2649, 6122, 3523, 8070, 4604, 10450, 5910, 13320, 7483, 16744, 9343, 20790, 11538, 25528, 14090, 31032, 17053, 37382, 20451, 44660, 24342]