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.

A294950 Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of Product_{j>=1} 1/(1-j^(k*j)*x^j)^j in powers of x.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 3
6 1
7 1
8 9
9 6
10 1
11 1
12 33
13 90
14 13
15 1
16 1
17 129
18 2220
19 1162
20 24
21 1
22 1
23 513
24 59178
25 265132
26 17435
27 48
28 1
29 1
30 2049
31 1594836
32 67180330
33 49163241
34 310193
35 86
36 1
37 1
38 8193
39 43048770
40 17181660628
41 152662629227
42 13121450895
43 6286826
44 160

List of values

[1, 1, 1, 1, 1, 3, 1, 1, 9, 6, 1, 1, 33, 90, 13, 1, 1, 129, 2220, 1162, 24, 1, 1, 513, 59178, 265132, 17435, 48, 1, 1, 2049, 1594836, 67180330, 49163241, 310193, 86, 1, 1, 8193, 43048770, 17181660628, 152662629227, 13121450895, 6286826, 160]