A130332 - OEIS

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A130332 as a simple table

n	a(n)
0	1
1	1
2	21
3	1485
4	6144
5	225225
6	17694720
7	59520825
8	6539968512
9	24325703325
10	145332633600
11	14230536445125
12	2596962041856000
13	11288163762500625
14	78354054748569600
15	11665426077721040625
16	86068915523813376000

[1,1,21,1485,6144,225225,17694720,59520825, 6539968512,24325703325,145332633600, 14230536445125,2596962041856000,11288163762500625, 78354054748569600,11665426077721040625, 86068915523813376000]