# A203618 (b-file synthesized from sequence entry)
1 1
2 2
3 6
4 42
5 104
6 120
7 165
8 245
9 272
10 561
11 1806
12 47058
13 765625
14 1137501
15 3874128
16 9131793
17 2214502422
18 52495396602