# A164761 (b-file synthesized from sequence entry)
2 33
3 670
4 6549
5 45892
6 265155
7 1347918
8 6257643
9 27154502
10 111837041
11 441803872
12 1686870551
13 6260508940
14 22683215853
15 80510078988
16 280693737065
17 963421173780
18 3261335507803
19 10905208348554