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.

A384582 Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of B(x)^k, where B(x) is the g.f. of A384574.

Table of values

n a(n)
0 1
1 1
2 0
3 1
4 1
5 0
6 1
7 2
8 1
9 0
10 1
11 3
12 3
13 5
14 0
15 1
16 4
17 6
18 12
19 23
20 0
21 1
22 5
23 10
24 22
25 57
26 155
27 0
28 1
29 6
30 15
31 36
32 105
33 366
34 1236
35 0
36 1
37 7
38 21
39 55
40 171
41 651
42 2853
43 11286
44 0
45 1
46 8
47 28
48 80
49 260
50 1032
51 4951
52 25584
53 116333
54 0
55 1
56 9
57 36
58 112
59 378
60 1536
61 7656
62 43587
63 259789
64 1329433
65 0

List of values

[1, 1, 0, 1, 1, 0, 1, 2, 1, 0, 1, 3, 3, 5, 0, 1, 4, 6, 12, 23, 0, 1, 5, 10, 22, 57, 155, 0, 1, 6, 15, 36, 105, 366, 1236, 0, 1, 7, 21, 55, 171, 651, 2853, 11286, 0, 1, 8, 28, 80, 260, 1032, 4951, 25584, 116333, 0, 1, 9, 36, 112, 378, 1536, 7656, 43587, 259789, 1329433, 0]