A035888 - 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

A035888 as a simple table

n	a(n)
0	1
1	0
2	1152
3	0
4	221952
5	0
6	17282432
7	0
8	733189632
9	0
10	19804348032
11	0
12	375290947840
13	201326592
14	5335230402432
15	21810380800
16	59807438318592
17	824432394240
18	549355033319552
19	17077528166400
20	4260137204788992

[1,0,1152,0,221952,0,17282432,0,733189632,0, 19804348032,0,375290947840,201326592, 5335230402432,21810380800,59807438318592, 824432394240,549355033319552,17077528166400, 4260137204788992]