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.

A376623 G.f.: Sum_{k>=0} x^(k*(k+1)) * Product_{j=1..k} (1 + x^(2*j-1))^2.

Table of values

n a(n)
0 1
1 0
2 1
3 2
4 1
5 0
6 1
7 2
8 1
9 2
10 4
11 2
12 2
13 4
14 2
15 2
16 4
17 4
18 5
19 4
20 6
21 10
22 6
23 6
24 9
25 8
26 9
27 8
28 10
29 12
30 11
31 14
32 14
33 16
34 17
35 18
36 23
37 20
38 22
39 26
40 26
41 26
42 27
43 34
44 31
45 32
46 39
47 40
48 43
49 42
50 48
51 54
52 55
53 56
54 63
55 72
56 68
57 74
58 80
59 84
60 88
61 90
62 101
63 104
64 109
65 112
66 121
67 130
68 132
69 144
70 152
71 160

List of values

[1, 0, 1, 2, 1, 0, 1, 2, 1, 2, 4, 2, 2, 4, 2, 2, 4, 4, 5, 4, 6, 10, 6, 6, 9, 8, 9, 8, 10, 12, 11, 14, 14, 16, 17, 18, 23, 20, 22, 26, 26, 26, 27, 34, 31, 32, 39, 40, 43, 42, 48, 54, 55, 56, 63, 72, 68, 74, 80, 84, 88, 90, 101, 104, 109, 112, 121, 130, 132, 144, 152, 160]