# A107720 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 43
4 509
5 7579
6 135341
7 2813851
8 66733853
9 1778159275
10 52604224205
11 1711276244731
12 60729274013309
13 2335153500391627
14 96727188777453869
15 4294441686826824091
16 203456100846249179357
17 10245810557884742785387