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.

A024869 a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = floor( n/2 ), s = natural numbers >= 2, t = natural numbers >= 3.

Table of values

n a(n)
2 8
3 10
4 27
5 32
6 61
7 70
8 114
9 128
10 190
11 210
12 293
13 320
14 427
15 462
16 596
17 640
18 804
19 858
20 1055
21 1120
22 1353
23 1430
24 1702
25 1792
26 2106
27 2210
28 2569
29 2688
30 3095
31 3230
32 3688
33 3840
34 4352
35 4522
36 5091
37 5280
38 5909
39 6118
40 6810
41 7040
42 7798
43 8050
44 8877
45 9152
46 10051
47 10350
48 11324
49 11648

List of values

[8, 10, 27, 32, 61, 70, 114, 128, 190, 210, 293, 320, 427, 462, 596, 640, 804, 858, 1055, 1120, 1353, 1430, 1702, 1792, 2106, 2210, 2569, 2688, 3095, 3230, 3688, 3840, 4352, 4522, 5091, 5280, 5909, 6118, 6810, 7040, 7798, 8050, 8877, 9152, 10051, 10350, 11324, 11648]