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.

A091188 G.f. A(x) satisfies both A(-x)*A(x) = A(x^2) and xA(x)^2 = B(xA(x^2)) where B(x) = x*(1+x)/(1-x).

Table of values

n a(n)
0 1
1 1
2 1
3 2
4 2
5 4
6 5
7 10
8 12
9 23
10 31
11 58
12 79
13 145
14 207
15 374
16 540
17 964
18 1427
19 2522
20 3775
21 6626
22 10050
23 17532
24 26811
25 46561
26 71795
27 124188
28 192661
29 332228
30 518303
31 891340
32 1396902
33 2396912
34 3771822
35 6459202
36 10199912
37 17437727
38 27622807
39 47152952

List of values

[1, 1, 1, 2, 2, 4, 5, 10, 12, 23, 31, 58, 79, 145, 207, 374, 540, 964, 1427, 2522, 3775, 6626, 10050, 17532, 26811, 46561, 71795, 124188, 192661, 332228, 518303, 891340, 1396902, 2396912, 3771822, 6459202, 10199912, 17437727, 27622807, 47152952]