A089285 - 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

A089285 as a simple table

n	a(n)
0	4
1	32
2	474
3	4550
4	38688
5	314160
6	5890500
7	47154384
8	627314688
9	4227938208
10	44474529792
11	471238898040
12	3384209127992
13	31609375538016
14	321468276096000
15	3397292023738536
16	63981878014882800
17	314159266666564480

[4,32,474,4550,38688,314160,5890500,47154384, 627314688,4227938208,44474529792,471238898040, 3384209127992,31609375538016,321468276096000, 3397292023738536,63981878014882800, 314159266666564480]