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.

A326083 Number of subsets of {1..n} containing all of their pairwise sums <= n.

Table of values

n a(n)
0 1
1 2
2 3
3 5
4 7
5 12
6 16
7 27
8 37
9 58
10 80
11 131
12 171
13 277
14 380
15 580
16 785
17 1250
18 1655
19 2616
20 3516
21 5344
22 7257
23 11353
24 14931
25 23204
26 31379
27 47511
28 63778
29 98681
30 130503
31 201357
32 270038
33 407429
34 548090
35 840171
36 1110429
37 1701872
38 2284325
39 3440337
40 4601656

List of values

[1, 2, 3, 5, 7, 12, 16, 27, 37, 58, 80, 131, 171, 277, 380, 580, 785, 1250, 1655, 2616, 3516, 5344, 7257, 11353, 14931, 23204, 31379, 47511, 63778, 98681, 130503, 201357, 270038, 407429, 548090, 840171, 1110429, 1701872, 2284325, 3440337, 4601656]