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.

A331076 a(n) = Sum_{k = 1..ceiling(n/2)} [u_3(k)*u_3(n+1-k)], where u_3 = A034836.

Table of values

n a(n)
0 0
1 1
2 1
3 2
4 3
5 4
6 5
7 8
8 8
9 11
10 11
11 16
12 16
13 19
14 18
15 29
16 24
17 31
18 28
19 39
20 34
21 43
22 36
23 60
24 44
25 57
26 49
27 71
28 55
29 75
30 61
31 93
32 73
33 90
34 71
35 118
36 83
37 107
38 93
39 135
40 95
41 135
42 102
43 152
44 118
45 147
46 112
47 202
48 126
49 169
50 145
51 203
52 139
53 211
54 147
55 233
56 177
57 215
58 160
59 286

List of values

[0, 1, 1, 2, 3, 4, 5, 8, 8, 11, 11, 16, 16, 19, 18, 29, 24, 31, 28, 39, 34, 43, 36, 60, 44, 57, 49, 71, 55, 75, 61, 93, 73, 90, 71, 118, 83, 107, 93, 135, 95, 135, 102, 152, 118, 147, 112, 202, 126, 169, 145, 203, 139, 211, 147, 233, 177, 215, 160, 286]