# A158952 (b-file synthesized from sequence entry)
1 1
2 2
3 9
4 67
5 625
6 7903
7 117649
8 2105342
9 43048905
10 1000976352
11 25937424601
12 743191207969
13 23298085122481
14 793763217701693
15 29192928060852217
16 1152939097060278256
17 48661191875666868481
18 2185919903971766191000