# A222013 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 7
4 32
5 172
6 1038
7 6865
8 49098
9 376942
10 3094812
11 27129690
12 253821716
13 2534600760
14 27012498668
15 307083883519
16 3719224056464
17 47898505899624
18 654343988611350
19 9455986402701388
20 144138413744793426
21 2311030293590097634
22 38871924229882607774