# A030969 (b-file synthesized from sequence entry)
1 1
2 2
3 7
4 28
5 141
6 850
7 5954
8 47632
9 428692
10 4286920
11 47156127
12 565873527
13 7356355863
14 102988982084
15 1544834731274
16 24717355700388
17 420195046906610
18 7563510844318985
19 143706706042060732
20 2874134120841214643