# A154757 (b-file synthesized from sequence entry)
1 1
2 1
3 3
4 14
5 83
6 574
7 4433
8 37274
9 335751
10 3204616
11 32159272
12 337383121
13 3684215369
14 41735965645
15 489173496890
16 5919292080009
17 73818803114991
18 947369389903293
19 12496580900037441
20 169248542357479944