A112972 - cp's OEIS frontend

A112972 Number of ways the set {1,2,...,n} can be split into three subsets of equal sums.

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	1
7	0
8	3
9	9
10	0
11	43
12	102
13	0
14	595
15	1480
16	0
17	9294
18	23728
19	0
20	157991
21	411474
22	0
23	2849968
24	7562583
25	0
26	53987864
27	145173095
28	0
29	1061533318
30	2885383960
31	0
32	21515805520
33	59003023409
34	0
35	447142442841
36	1235311936936
37	0
38	9489835046489
39	26382363207307

[0, 0, 0, 0, 1, 1, 0, 3, 9, 0, 43, 102, 0, 595, 1480, 0, 9294, 23728, 0, 157991, 411474, 0, 2849968, 7562583, 0, 53987864, 145173095, 0, 1061533318, 2885383960, 0, 21515805520, 59003023409, 0, 447142442841, 1235311936936, 0, 9489835046489, 26382363207307]

cp's OEIS Frontend

A112972 Number of ways the set {1,2,...,n} can be split into three subsets of equal sums.

Table of values

List of values