# A129416 (b-file synthesized from sequence entry)
1 1
2 3
3 9
4 32
5 135
6 709
7 4637
8 38374
9 391473
10 4764778
11 66913591
12 1056886475
13 18446472265
14 351482430368
15 7247888726269
16 160671989129665
17 3808499268504548
18 96094161981827499
19 2570930535917564366
20 72688753062897675445