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.

A193437 Expansion of e.g.f. exp( Sum_{n>=0} x^(3*n+1)/(3*n+1) ).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 7
5 31
6 91
7 931
8 7441
9 38017
10 507241
11 5864761
12 43501591
13 713059711
14 10776989587
15 105784464331
16 2052437475361
17 38263122487681
18 469863736958161
19 10518597616325617
20 232980391759702951
21 3446848352553524191
22 87385257330831947851

List of values

[1, 1, 1, 1, 7, 31, 91, 931, 7441, 38017, 507241, 5864761, 43501591, 713059711, 10776989587, 105784464331, 2052437475361, 38263122487681, 469863736958161, 10518597616325617, 232980391759702951, 3446848352553524191, 87385257330831947851]