A133987 - cp's OEIS frontend

A133987 a(n) = A005704( (3^n + (-1)^n - 2)/4 ), where A005704(n) = number of partitions of 3n into powers of 3.

n	a(n)
0	1
1	1
2	3
3	12
4	117
5	2250
6	107352
7	12298500
8	3613136949
9	2742962912055
10	5503085134707267
11	29497134965411187747
12	427365985177386403469028
13	16883252883454411208147060304
14	1832920589508888783152391724736550

[1, 1, 3, 12, 117, 2250, 107352, 12298500, 3613136949, 2742962912055, 5503085134707267, 29497134965411187747, 427365985177386403469028, 16883252883454411208147060304, 1832920589508888783152391724736550]

cp's OEIS Frontend

A133987 a(n) = A005704( (3^n + (-1)^n - 2)/4 ), where A005704(n) = number of partitions of 3n into powers of 3.

Table of values

List of values