# A222780 (b-file synthesized from sequence entry)
1 6
2 36
3 696
4 3960
5 44092
6 245952
7 2148348
8 11909916
9 92914316
10 516123540
11 3754783282
12 20944422720
13 145858066580
14 819115053456
15 5532833258412
16 31237280045460
17 206640812099598
18 1173206191661712