# A372178 (b-file synthesized from sequence entry)
0 1
1 2
2 12
3 122
4 1800
5 35002
6 848236
7 24664362
8 837602352
9 32558200370
10 1426118691924
11 69522324440098
12 3733960438696648
13 219101400537409002
14 13946923555466389884
15 957297896801470079258
16 70483467144263313405024
17 5541471459106022647303522