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.

A364534 Number of subsets of {1..n} containing some element equal to the sum of two or more distinct other elements. A variation of sum-full subsets without re-used elements.

Table of values

n a(n)
0 0
1 0
2 0
3 1
4 3
5 10
6 27
7 68
8 156
9 357
10 775
11 1667
12 3505
13 7303
14 15019
15 30759
16 62489
17 126619
18 255542
19 514721
20 1034425
21 2076924
22 4164650
23 8346306
24 16715847
25 33467324
26 66982798
27 134040148
28 268179417
29 536510608
30 1073226084
31 2146759579
32 4293930436
33 8588485846
34 17177799658

List of values

[0, 0, 0, 1, 3, 10, 27, 68, 156, 357, 775, 1667, 3505, 7303, 15019, 30759, 62489, 126619, 255542, 514721, 1034425, 2076924, 4164650, 8346306, 16715847, 33467324, 66982798, 134040148, 268179417, 536510608, 1073226084, 2146759579, 4293930436, 8588485846, 17177799658]