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.

A168523 Triangle of coefficients of g.f. a*(1+x)^n + b*(1-x)^(n+2)*polylog(-n-1, x)/x + 2^n*c*(1-x)^(n+1)*LerchPhi(x, -n, 1/2), with a = -1, b = 1, c = 1.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 8
5 1
6 1
7 31
8 31
9 1
10 1
11 98
12 290
13 98
14 1
15 1
16 289
17 1974
18 1974
19 289
20 1
21 1
22 836
23 11719
24 25944
25 11719
26 836
27 1
28 1
29 2419
30 64929
31 275307
32 275307
33 64929
34 2419
35 1
36 1
37 7046
38 346192
39 2573466
40 4831134
41 2573466
42 346192
43 7046
44 1
45 1
46 20677
47 1804144
48 22163080
49 70723522
50 70723522
51 22163080
52 1804144
53 20677
54 1

List of values

[1, 1, 1, 1, 8, 1, 1, 31, 31, 1, 1, 98, 290, 98, 1, 1, 289, 1974, 1974, 289, 1, 1, 836, 11719, 25944, 11719, 836, 1, 1, 2419, 64929, 275307, 275307, 64929, 2419, 1, 1, 7046, 346192, 2573466, 4831134, 2573466, 346192, 7046, 1, 1, 20677, 1804144, 22163080, 70723522, 70723522, 22163080, 1804144, 20677, 1]