# A069397 (b-file synthesized from sequence entry)
2 1
3 67
4 2427
5 66579
6 1565371
7 33438451
8 669776139
9 12817737731
10 237180629275
11 4277806868563
12 75628309151275
13 1315968756706339
14 22606389934281147
15 384286142618740851
16 6475978445076745163