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.

A306836 Expansion of e.g.f. (sec(x) + tan(x))*exp(x)*BesselI(1,2*x)/x.

Table of values

n a(n)
0 1
1 2
2 5
3 15
4 50
5 187
6 779
7 3626
8 18830
9 108737
10 694156
11 4865168
12 37175028
13 307674135
14 2742199399
15 26185972811
16 266727515558
17 2886665421697
18 33078737906112
19 400112950565602
20 5094396150412628
21 68107059089489867
22 953882607872927724
23 13966992152276252633
24 213399920723596392052

List of values

[1, 2, 5, 15, 50, 187, 779, 3626, 18830, 108737, 694156, 4865168, 37175028, 307674135, 2742199399, 26185972811, 266727515558, 2886665421697, 33078737906112, 400112950565602, 5094396150412628, 68107059089489867, 953882607872927724, 13966992152276252633, 213399920723596392052]