# A254795 (b-file synthesized from sequence entry)
0 2
1 9
2 54
3 441
4 4410
5 53361
6 747054
7 12006225
8 216112050
9 4334247225
10 95353438950
11 2292816782025
12 59613236332650
13 1671463434096225
14 50143903022886750
15 1606276360166472225
16 54613396245660055650
17 1967688541203928475625
18 74772164565749282073750