# A074596 (b-file synthesized from sequence entry)
1 3
2 15
3 117
4 627
5 8571
6 35649
7 699171
8 7898361
9 40404717
10 41219817
11 1300637127
12 22464584559
13 843217244283
14 854342788713
15 7181761691859
16 864748487122557
17 6116114629522299
18 6175362432667599
19 6231378537459519
20 182250420468103851