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.

A288728 Number of sum-free sets that can be created by adding n to all sum-free sets [1..n-1].

Table of values

n a(n)
1 1
2 1
3 3
4 3
5 7
6 8
7 18
8 19
9 47
10 43
11 102
12 116
13 238
14 240
15 553
16 554
17 1185
18 1259
19 2578
20 2607
21 5873
22 5526
23 11834
24 12601
25 24692
26 24390
27 53735
28 52534
29 107445
30 107330
31 218727
32 215607
33 461367
34 427778
35 891039
36 910294
37 1804606
38 1706828
39 3695418
40 3411513
41 7136850
42 6892950

List of values

[1, 1, 3, 3, 7, 8, 18, 19, 47, 43, 102, 116, 238, 240, 553, 554, 1185, 1259, 2578, 2607, 5873, 5526, 11834, 12601, 24692, 24390, 53735, 52534, 107445, 107330, 218727, 215607, 461367, 427778, 891039, 910294, 1804606, 1706828, 3695418, 3411513, 7136850, 6892950]