# A159310 (b-file synthesized from sequence entry)
1 1
2 3
3 7
4 97
5 601
6 7576
7 116929
8 2482537
9 42814321
10 1040362966
11 25933795801
12 760154969850
13 23297606120881
14 816970034324900
15 29137514248718373
16 1194044411689941241
17 48661170952876980481
18 2227962859999303395766