# A375899 (b-file synthesized from sequence entry)
0 1
1 2
2 12
3 124
4 1846
5 36128
6 879252
7 25637680
8 872159952
9 33933231696
10 1486845891696
11 72473120203680
12 3890486148311040
13 228103117063828992
14 14504759878784601600
15 994346460412330358016
16 73107707092779695687040
17 5738844073788385570644480