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.

A290429 Square array A(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of (Sum_{j>=0} x^(j*(j+1)*(j+2)/6))^k.

Table of values

n a(n)
0 1
1 1
2 0
3 1
4 1
5 0
6 1
7 2
8 0
9 0
10 1
11 3
12 1
13 0
14 0
15 1
16 4
17 3
18 0
19 1
20 0
21 1
22 5
23 6
24 1
25 2
26 0
27 0
28 1
29 6
30 10
31 4
32 3
33 2
34 0
35 0
36 1
37 7
38 15
39 10
40 5
41 6
42 0
43 0
44 0
45 1
46 8
47 21
48 20
49 10
50 12
51 3
52 0
53 0
54 0
55 1
56 9
57 28
58 35
59 21
60 21
61 12
62 0
63 1
64 0
65 0
66 1
67 10
68 36
69 56
70 42
71 36
72 30
73 4
74 3
75 0
76 1
77 0
78 1
79 11
80 45
81 84
82 78
83 63
84 61
85 20
86 6
87 3
88 2
89 0
90 0
91 1
92 12
93 55
94 120
95 135
96 112
97 112
98 60
99 15
100 12
101 3
102 2
103 0
104 0

List of values

[1, 1, 0, 1, 1, 0, 1, 2, 0, 0, 1, 3, 1, 0, 0, 1, 4, 3, 0, 1, 0, 1, 5, 6, 1, 2, 0, 0, 1, 6, 10, 4, 3, 2, 0, 0, 1, 7, 15, 10, 5, 6, 0, 0, 0, 1, 8, 21, 20, 10, 12, 3, 0, 0, 0, 1, 9, 28, 35, 21, 21, 12, 0, 1, 0, 0, 1, 10, 36, 56, 42, 36, 30, 4, 3, 0, 1, 0, 1, 11, 45, 84, 78, 63, 61, 20, 6, 3, 2, 0, 0, 1, 12, 55, 120, 135, 112, 112, 60, 15, 12, 3, 2, 0, 0]