# A037154 (b-file synthesized from sequence entry)
3 3
4 19
5 113
6 709
7 5023
8 40289
9 362867
10 3628789
11 39916787
12 479001587
13 6227020777
14 87178291183
15 1307674367953
16 20922789887947
17 355687428095941
18 6402373705727959
19 121645100408831899