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.

A369527 Array read by downward antidiagonals: A(n,k) = (k+1)^2*A(n-1,k) + A(n-1,k+1) with A(0,k) = 1, n >= 0, k >= 0.

Table of values

n a(n)
0 1
1 1
2 2
3 1
4 5
5 7
6 1
7 10
8 30
9 37
10 1
11 17
12 107
13 227
14 264
15 1
16 26
17 298
18 1261
19 2169
20 2433
21 1
22 37
23 687
24 5455
25 16804
26 25480
27 27913
28 1
29 50
30 1382
31 18557
32 105837
33 257073
34 358993
35 386906
36 1
37 65
38 2515
39 52267
40 516192
41 2209584
42 4523241
43 5959213
44 6346119
45 1
46 82
47 4242
48 127477
49 2009089
50 14913889
51 50267233
52 90976402
53 114813254
54 121159373

List of values

[1, 1, 2, 1, 5, 7, 1, 10, 30, 37, 1, 17, 107, 227, 264, 1, 26, 298, 1261, 2169, 2433, 1, 37, 687, 5455, 16804, 25480, 27913, 1, 50, 1382, 18557, 105837, 257073, 358993, 386906, 1, 65, 2515, 52267, 516192, 2209584, 4523241, 5959213, 6346119, 1, 82, 4242, 127477, 2009089, 14913889, 50267233, 90976402, 114813254, 121159373]