# A146798 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 1
6 9
7 49
8 253
9 1201
10 4573
11 30217
12 286533
13 2941009
14 37746461
15 678979449
16 14880214645
17 369497873441