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.

A024856 a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (natural numbers), t = A023532.

Table of values

n a(n)
2 0
3 1
4 3
5 2
6 4
7 3
8 6
9 9
10 13
11 12
12 17
13 16
14 21
15 19
16 25
17 32
18 40
19 39
20 47
21 45
22 54
23 52
24 62
25 60
26 71
27 82
28 94
29 92
30 105
31 103
32 117
33 115
34 130
35 127
36 142
37 139
38 155
39 172
40 190
41 188
42 207
43 205
44 224
45 221
46 241
47 238
48 259
49 256
50 278
51 275
52 298
53 322
54 346
55 343
56 368
57 365
58 391
59 388
60 415
61 412
62 440
63 437
64 466

List of values

[0, 1, 3, 2, 4, 3, 6, 9, 13, 12, 17, 16, 21, 19, 25, 32, 40, 39, 47, 45, 54, 52, 62, 60, 71, 82, 94, 92, 105, 103, 117, 115, 130, 127, 142, 139, 155, 172, 190, 188, 207, 205, 224, 221, 241, 238, 259, 256, 278, 275, 298, 322, 346, 343, 368, 365, 391, 388, 415, 412, 440, 437, 466]