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.

A384899 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 A384894.

Table of values

n a(n)
0 1
1 1
2 0
3 1
4 1
5 0
6 1
7 2
8 2
9 0
10 1
11 3
12 5
13 1
14 0
15 1
16 4
17 9
18 6
19 -4
20 0
21 1
22 5
23 14
24 16
25 -2
26 -14
27 0
28 1
29 6
30 20
31 32
32 12
33 -32
34 -30
35 0
36 1
37 7
38 27
39 55
40 45
41 -39
42 -103
43 12
44 0
45 1
46 8
47 35
48 86
49 105
50 -12
51 -211
52 -100
53 330
54 0
55 1
56 9
57 44
58 126
59 201
60 81
61 -318
62 -411
63 552
64 1139
65 0
66 1
67 10
68 54
69 176
70 343
71 282
72 -350
73 -956
74 342
75 3038
76 2226
77 0

List of values

[1, 1, 0, 1, 1, 0, 1, 2, 2, 0, 1, 3, 5, 1, 0, 1, 4, 9, 6, -4, 0, 1, 5, 14, 16, -2, -14, 0, 1, 6, 20, 32, 12, -32, -30, 0, 1, 7, 27, 55, 45, -39, -103, 12, 0, 1, 8, 35, 86, 105, -12, -211, -100, 330, 0, 1, 9, 44, 126, 201, 81, -318, -411, 552, 1139, 0, 1, 10, 54, 176, 343, 282, -350, -956, 342, 3038, 2226, 0]