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.

A088931 G.f.: Sum_{n >= 1} ( x^(2^n)/ ((1+x^(2^(n-1)))*Product_{j=0..n-1} (1-x^(2^j)) ) ).

Table of values

n a(n)
0 0
1 0
2 1
3 0
4 2
5 1
6 2
7 1
8 4
9 3
10 5
11 4
12 7
13 6
14 8
15 7
16 12
17 11
18 15
19 14
20 20
21 19
22 24
23 23
24 31
25 30
26 37
27 36
28 45
29 44
30 52
31 51
32 64
33 63
34 75
35 74
36 90
37 89
38 104
39 103
40 124
41 123
42 143
43 142
44 167
45 166
46 190
47 189
48 221
49 220
50 251
51 250
52 288
53 287
54 324
55 323
56 369
57 368
58 413
59 412
60 465
61 464
62 516
63 515
64 580

List of values

[0, 0, 1, 0, 2, 1, 2, 1, 4, 3, 5, 4, 7, 6, 8, 7, 12, 11, 15, 14, 20, 19, 24, 23, 31, 30, 37, 36, 45, 44, 52, 51, 64, 63, 75, 74, 90, 89, 104, 103, 124, 123, 143, 142, 167, 166, 190, 189, 221, 220, 251, 250, 288, 287, 324, 323, 369, 368, 413, 412, 465, 464, 516, 515, 580]