# A145942 (b-file synthesized from sequence entry)
1 1
2 1
3 3
4 13
5 59
6 335
7 2897
8 37715
9 690357
10 17737939
11 624778919
12 31083795113
13 2181813132547
14 218875670124419
15 30699194550031869
16 6100362669555259551
17 1691513945329277743047
18 667365921802550365450107