# A124562 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 12
4 63
5 429
6 3716
7 40272
8 541655
9 9022405
10 186233087
11 4771577072
12 152050410552
13 6037181967007
14 299176055730253
15 18530408350215038
16 1436276193993882859
17 139462485162718679221
18 16980510121067921518710