# A012871 (b-file synthesized from sequence entry)
2 1
3 1
4 317
5 389
6 6895597
7 8704831
8 10655226077
9 1657771289
10 613552118040217
11 164509043030977
12 6761598195684420293
13 10768446708299762233
14 81775784693678733811
15 463196935488177564105193
16 41000094641259185671029500461