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.

A024308 a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k=[ (n+1)/2 ], s = (natural numbers >= 2), t = A023532.

Table of values

n a(n)
1 2
2 0
3 2
4 5
5 7
6 6
7 10
8 9
9 12
10 17
11 23
12 22
13 29
14 26
15 33
16 31
17 39
18 48
19 58
20 55
21 65
22 63
23 74
24 72
25 84
26 82
27 93
28 106
29 120
30 118
31 133
32 131
33 147
34 145
35 160
36 157
37 174
38 171
39 189
40 208
41 228
42 226
43 247
44 243
45 264
46 261
47 283
48 280
49 303
50 300
51 324
52 321
53 346
54 370
55 396
56 393
57 420
58 417
59 445
60 442
61 471
62 468
63 498

List of values

[2, 0, 2, 5, 7, 6, 10, 9, 12, 17, 23, 22, 29, 26, 33, 31, 39, 48, 58, 55, 65, 63, 74, 72, 84, 82, 93, 106, 120, 118, 133, 131, 147, 145, 160, 157, 174, 171, 189, 208, 228, 226, 247, 243, 264, 261, 283, 280, 303, 300, 324, 321, 346, 370, 396, 393, 420, 417, 445, 442, 471, 468, 498]