A185235 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A185235 as a simple table

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	1
11	2
12	12
13	67
14	598
15	7135
16	107826
17	1876709
18	35925162
19	741413221
20	16356258309
21	383936219233

[0,0,0,0,0,0,0,0,0,0,1,2,12,67,598,7135,107826, 1876709,35925162,741413221,16356258309, 383936219233]