A132855 - 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

A132855 as a simple table

n	a(n)
0	1
1	1
2	5
3	75
4	3625
5	638750
6	442823125
7	1278820631250
8	15775429658296875
9	848938273203627578125
10	202483260558673741179296875
11	216741216953142470752123517187500
12	1051774892873652266440974611041742187500

[1,1,5,75,3625,638750,442823125,1278820631250, 15775429658296875,848938273203627578125, 202483260558673741179296875, 216741216953142470752123517187500, 1051774892873652266440974611041742187500]