# A165558 (b-file synthesized from sequence entry)
1 0
2 16
3 108
4 729
5 12500
6 84375
7 3294172
8 9765625
9 22235661
10 2573571875
11 678223072849
12 1141246682444
13 7703415106497
14 891598970659375
15 1211500426369012
16 8177627877990831
17 234966429149994773
18 946484708100790625