# A177555 (b-file synthesized from sequence entry)
0 1
1 1
2 6
3 67
4 1345
5 42540
6 1954681
7 123179785
8 10202958366
9 1075213876195
10 140503060278001
11 22298495343474372
12 4224949686497139601
13 942067522308032112721
14 244201603555824428994486
15 72820161285112813781838787
16 24752401241200431437146873345