# A030967 (b-file synthesized from sequence entry)
1 1
2 2
3 6
4 27
5 138
6 830
7 5813
8 46511
9 418605
10 4186056
11 46046623
12 552559478
13 7183273217
14 100565825043
15 1508487375646
16 24135798010342
17 410308566175816
18 7385554191164692
19 140325529632129156
20 2806510592642583123