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A012195 as a simple table

na(n)
01
10
212
380
413776
5566272
6127692224
715090459904
84735792068864
91137376547676160
10493601667145247744
11198575926723414577152
12116701919243205334355968
1369932277446693762007433216

[1,0,12,80,13776,566272,127692224,15090459904,
 4735792068864,1137376547676160,493601667145247744,
 198575926723414577152,116701919243205334355968,
 69932277446693762007433216]