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.

A381594 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 A381601.

Table of values

n a(n)
0 1
1 1
2 0
3 1
4 1
5 0
6 1
7 2
8 7
9 0
10 1
11 3
12 15
13 79
14 0
15 1
16 4
17 24
18 172
19 1134
20 0
21 1
22 5
23 34
24 280
25 2475
26 18953
27 0
28 1
29 6
30 45
31 404
32 4044
33 41280
34 353134
35 0
36 1
37 7
38 57
39 545
40 5863
41 67365
42 766291
43 7154751
44 0
45 1
46 8
47 70
48 704
49 7955
50 97620
51 1246534
52 15460284
53 155181240
54 0
55 1
56 9
57 84
58 882
59 10344
60 132486
61 1801536
62 25051422
63 333896388
64 3565276582
65 0

List of values

[1, 1, 0, 1, 1, 0, 1, 2, 7, 0, 1, 3, 15, 79, 0, 1, 4, 24, 172, 1134, 0, 1, 5, 34, 280, 2475, 18953, 0, 1, 6, 45, 404, 4044, 41280, 353134, 0, 1, 7, 57, 545, 5863, 67365, 766291, 7154751, 0, 1, 8, 70, 704, 7955, 97620, 1246534, 15460284, 155181240, 0, 1, 9, 84, 882, 10344, 132486, 1801536, 25051422, 333896388, 3565276582, 0]