# A133716 (b-file synthesized from sequence entry)
0 1
1 15
2 140
3 995
4 5901
5 30569
6 142375
7 607700
8 2410081
9 8972559
10 31608089
11 106027825
12 340416406
13 1050541069
14 3127340719
15 9007681389
16 25168555576
17 68374424019
18 180958790169
19 467385754264
20 1179927541924
21 2915558734984
22 7060185950979