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.

A385017 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 A385013.

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 4
14 0
15 1
16 4
17 9
18 12
19 9
20 0
21 1
22 5
23 14
24 25
25 30
26 19
27 0
28 1
29 6
30 20
31 44
32 69
33 72
34 37
35 0
36 1
37 7
38 27
39 70
40 133
41 183
42 164
43 52
44 0
45 1
46 8
47 35
48 104
49 230
50 384
51 464
52 326
53 -25
54 0
55 1
56 9
57 44
58 147
59 369
60 716
61 1060
62 1083
63 435
64 -630
65 0
66 1
67 10
68 54
69 200
70 560
71 1230
72 2125
73 2748
74 2139
75 -464
76 -3616
77 0

List of values

[1, 1, 0, 1, 1, 0, 1, 2, 2, 0, 1, 3, 5, 4, 0, 1, 4, 9, 12, 9, 0, 1, 5, 14, 25, 30, 19, 0, 1, 6, 20, 44, 69, 72, 37, 0, 1, 7, 27, 70, 133, 183, 164, 52, 0, 1, 8, 35, 104, 230, 384, 464, 326, -25, 0, 1, 9, 44, 147, 369, 716, 1060, 1083, 435, -630, 0, 1, 10, 54, 200, 560, 1230, 2125, 2748, 2139, -464, -3616, 0]