A085510 - 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

A085510 as a simple table

n	a(n)
1	0
2	1
3	2
4	16
5	150
6	2757
7	56252
8	1843637
9	71277004
10	3592359440
11	197924252436
12	14915743198773
13	1183551535975484
14	123024814715081453
15	13742505172992983210
16	1747020721154054373156
17	240574984100927602314902

[0,1,2,16,150,2757,56252,1843637,71277004, 3592359440,197924252436,14915743198773, 1183551535975484,123024814715081453, 13742505172992983210,1747020721154054373156, 240574984100927602314902]