A030260 - OEIS

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A030260 as a simple table

n	a(n)
0	1
1	0
2	1
3	38
4	13872
5	83360520
6	10203847031340
7	31023254154131753920
8	2765562268014305034000397632
9	8332535835277886736134596954072281240
10	960864308045670310058158724983067048253497223280

[1,0,1,38,13872,83360520,10203847031340, 31023254154131753920,2765562268014305034000397632, 8332535835277886736134596954072281240, 960864308045670310058158724983067048253497223280]