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.

A381889 Expansion of e.g.f.: (BesselI(0, 2*x) + BesselI(1, 2*x))^2*exp(2*x).

Table of values

n a(n)
0 1
1 4
2 18
3 86
4 428
5 2192
6 11468
7 60986
8 328532
9 1788368
10 9819128
11 54302712
12 302157424
13 1690193728
14 9497996152
15 53588976802
16 303434431108
17 1723578967056
18 9818195961512
19 56071829010968
20 320970950634288
21 1841213871449152
22 10582333064327824
23 60929582362628968
24 351385363433883472

List of values

[1, 4, 18, 86, 428, 2192, 11468, 60986, 328532, 1788368, 9819128, 54302712, 302157424, 1690193728, 9497996152, 53588976802, 303434431108, 1723578967056, 9818195961512, 56071829010968, 320970950634288, 1841213871449152, 10582333064327824, 60929582362628968, 351385363433883472]