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.

A293202 Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of g.f. Product_{i>0} Sum_{j=0..k} j!*x^(j*i).

Table of values

n a(n)
0 1
1 1
2 0
3 1
4 1
5 0
6 1
7 1
8 1
9 0
10 1
11 1
12 3
13 2
14 0
15 1
16 1
17 3
18 2
19 2
20 0
21 1
22 1
23 3
24 8
25 6
26 3
27 0
28 1
29 1
30 3
31 8
32 6
33 7
34 4
35 0
36 1
37 1
38 3
39 8
40 30
41 13
42 12
43 5
44 0
45 1
46 1
47 3
48 8
49 30
50 13
51 24
52 13
53 6
54 0
55 1
56 1
57 3
58 8
59 30
60 133
61 48
62 37
63 22
64 8
65 0
66 1
67 1
68 3
69 8
70 30
71 133
72 48
73 61
74 46
75 26
76 10
77 0
78 1
79 1
80 3
81 8
82 30
83 133
84 768
85 181
86 142
87 98
88 42
89 12
90 0

List of values

[1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 3, 2, 0, 1, 1, 3, 2, 2, 0, 1, 1, 3, 8, 6, 3, 0, 1, 1, 3, 8, 6, 7, 4, 0, 1, 1, 3, 8, 30, 13, 12, 5, 0, 1, 1, 3, 8, 30, 13, 24, 13, 6, 0, 1, 1, 3, 8, 30, 133, 48, 37, 22, 8, 0, 1, 1, 3, 8, 30, 133, 48, 61, 46, 26, 10, 0, 1, 1, 3, 8, 30, 133, 768, 181, 142, 98, 42, 12, 0]