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.

A366730 Expansion of g.f. A(x,y) satisfying 0 = Sum_{n=-oo..+oo} x^n * A(x,y)^n * (y - x^(n-1))^(n+1), as a triangle of coefficients T(n,k) of x^n*y^k in A(x,y), read by rows n >= 0.

Table of values

n a(n)
0 1
1 0
2 1
3 0
4 -2
5 2
6 0
7 3
8 -6
9 5
10 0
11 -6
12 14
13 -20
14 14
15 0
16 11
17 -36
18 59
19 -70
20 42
21 0
22 -18
23 87
24 -176
25 246
26 -252
27 132
28 0
29 28
30 -190
31 500
32 -824
33 1022
34 -924
35 429
36 0
37 -44
38 386
39 -1312
40 2615
41 -3780
42 4236
43 -3432
44 1430
45 0
46 69
47 -756
48 3218
49 -7734
50 13107
51 -17112
52 17523
53 -12870
54 4862
55 0
56 -104
57 1443
58 -7514
59 21496
60 -42444
61 64031
62 -76692
63 72358
64 -48620
65 16796

List of values

[1, 0, 1, 0, -2, 2, 0, 3, -6, 5, 0, -6, 14, -20, 14, 0, 11, -36, 59, -70, 42, 0, -18, 87, -176, 246, -252, 132, 0, 28, -190, 500, -824, 1022, -924, 429, 0, -44, 386, -1312, 2615, -3780, 4236, -3432, 1430, 0, 69, -756, 3218, -7734, 13107, -17112, 17523, -12870, 4862, 0, -104, 1443, -7514, 21496, -42444, 64031, -76692, 72358, -48620, 16796]