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.

A317310 Expansion of e.g.f. (1 + x)^2*BesselI(0,2*log(1 + x)).

Table of values

n a(n)
0 1
1 2
2 4
3 6
4 4
5 0
6 -2
7 14
8 -100
9 792
10 -6996
11 68508
12 -737882
13 8676200
14 -110627142
15 1520662410
16 -22418697948
17 352885526856
18 -5907074659016
19 104782694989616
20 -1963418893492364
21 38753471698684512
22 -803656781974363412
23 17469671114170029708
24 -397223288562294817330
25 9429329994809282773300

List of values

[1, 2, 4, 6, 4, 0, -2, 14, -100, 792, -6996, 68508, -737882, 8676200, -110627142, 1520662410, -22418697948, 352885526856, -5907074659016, 104782694989616, -1963418893492364, 38753471698684512, -803656781974363412, 17469671114170029708, -397223288562294817330, 9429329994809282773300]