# A030878 (b-file synthesized from sequence entry)
1 2
2 5
3 15
4 61
5 308
6 1851
7 12959
8 103678
9 933103
10 9331039
11 102641438
12 1231697258
13 16012064360
14 224168901043
15 3362533515646
16 53800536250343
17 914609116255840
18 16462964092605136
19 312796317759497601
20 6255926355189952031