# A153302 (b-file synthesized from sequence entry)
0 1
1 2
2 12
3 216
4 7056
5 368928
6 28340928
7 3000945024
8 419025809664
9 74600006164992
10 16492933524114432
11 4433180509950990336
12 1423737921326106710016
13 538417241668323364773888
14 236818870322157143631249408