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.

A363580 G.f. satisfies A(x) = exp( Sum_{k>=1} A(x^k) * x^k/(k * (1 + 2*x^k)) ).

Table of values

n a(n)
0 1
1 1
2 0
3 2
4 0
5 2
6 1
7 6
8 -2
9 11
10 -1
11 30
12 -21
13 76
14 -60
15 223
16 -245
17 653
18 -817
19 2031
20 -2935
21 6521
22 -10067
23 21455
24 -35425
25 72152
26 -123756
27 246752
28 -436854
29 855852
30 -1546777
31 3001811
32 -5513604
33 10630676
34 -19747742
35 37949424
36 -71115077
37 136415279
38 -257301742
39 493313335

List of values

[1, 1, 0, 2, 0, 2, 1, 6, -2, 11, -1, 30, -21, 76, -60, 223, -245, 653, -817, 2031, -2935, 6521, -10067, 21455, -35425, 72152, -123756, 246752, -436854, 855852, -1546777, 3001811, -5513604, 10630676, -19747742, 37949424, -71115077, 136415279, -257301742, 493313335]