# A145857 (b-file synthesized from sequence entry)
1 1
2 2
3 5
4 12
5 72
6 513
7 4531
8 68662
9 1429824
10 40840428
11 1747979822
12 106711196102
13 9237029528023
14 1158315077977449
15 208422835867809541
16 53674442198900292691
17 19878424340459715152560
18 10569643478952360023168707