A221203 - 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

A221203 as a simple table

n	a(n)
1	0
2	289
3	212
4	427716
5	4984812
6	1026177156
7	30374196832
8	3043294206016
9	133567666236732
10	10038761087929924
11	525060302368983108
12	34891927404610766400
13	1974298747702764055248
14	124298442666315631470276

[0,289,212,427716,4984812,1026177156,30374196832, 3043294206016,133567666236732,10038761087929924, 525060302368983108,34891927404610766400, 1974298747702764055248,124298442666315631470276]