A221260 - 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

A221260 as a simple table

n	a(n)
1	0
2	1024
3	1560
4	44903401
5	4684821704
6	4919350997521
7	1286684357154700
8	711683286892712289
9	249788326721013262468
10	113635514869793774013025
11	44202928096066452637659216

[0,1024,1560,44903401,4684821704,4919350997521, 1286684357154700,711683286892712289, 249788326721013262468,113635514869793774013025, 44202928096066452637659216]