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.

A235685 E.g.f.: exp( Sum_{n>=1} H(n) * x^(2*n)/(2*n) ) where H(n) is the n-th harmonic number.

Table of values

n a(n)
0 1
1 1
2 12
3 370
4 21490
5 2012346
6 276603096
7 52410015372
8 13086020092860
9 4162089324641820
10 1642246641208135248
11 786999935144858519448
12 450157417640763926225496
13 302899153448396612425831800
14 236824761815538353605549389600
15 212892105513043495761147435785040

List of values

[1, 1, 12, 370, 21490, 2012346, 276603096, 52410015372, 13086020092860, 4162089324641820, 1642246641208135248, 786999935144858519448, 450157417640763926225496, 302899153448396612425831800, 236824761815538353605549389600, 212892105513043495761147435785040]