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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.

A095941 Number of subsets of {1,2,...,n} such that every number in the set is no larger than the sum of the other numbers in the set.

Table of values

n a(n)
1 0
2 0
3 1
4 4
5 13
6 35
7 85
8 194
9 425
10 904
11 1885
12 3878
13 7904
14 16008
15 32282
16 64913
17 130280
18 261145
19 523036
20 1047017
21 2095222
22 4191927
23 8385695
24 16773663
25 33550117
26 67103645
27 134211440
28 268427907
29 536861880
30 1073731053
31 2147470842
32 4294952115
33 8589916646
34 17179848025

List of values

[0, 0, 1, 4, 13, 35, 85, 194, 425, 904, 1885, 3878, 7904, 16008, 32282, 64913, 130280, 261145, 523036, 1047017, 2095222, 4191927, 8385695, 16773663, 33550117, 67103645, 134211440, 268427907, 536861880, 1073731053, 2147470842, 4294952115, 8589916646, 17179848025]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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