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A012197 as a simple table

na(n)
01
10
24
3136
41744
5652864
616365504
712624963456
8910310355200
9735663001262080
10125940707707991040
11105433974790312437760
1234875639805462923857920
1332117899260249401371770880

[1,0,4,136,1744,652864,16365504,12624963456,
 910310355200,735663001262080,125940707707991040,
 105433974790312437760,34875639805462923857920,
 32117899260249401371770880]