A337550 - 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

A337550 as a simple table

n	a(n)
1	8
2	0
3	24
4	64
5	360
6	1728
7	8624
8	43776
9	225216
10	1173280
11	6182704
12	32905536
13	176657000
14	955629920
15	5204178360
16	28509374976
17	157005901896
18	868756900608
19	4827586102216

[8,0,24,64,360,1728,8624,43776,225216,1173280, 6182704,32905536,176657000,955629920,5204178360, 28509374976,157005901896,868756900608, 4827586102216]