# A155645 (b-file synthesized from sequence entry)
0 1
1 12
2 84
3 558
4 3696
5 24582
6 164304
7 1103478
8 7444416
9 50431302
10 342941424
11 2340123798
12 16018069536
13 109949704422
14 756587236944
15 5217746494518
16 36054040477056
17 249557173431942
18 1729973554578864
19 12008254925383638