# A308249 (b-file synthesized from sequence entry)
1 0
2 1
3 16
4 81
5 4096
6 6561
7 263169
8 1478656
9 40960000
10 205549569
11 54988374016
12 233605955584
13 6263292059649
14 303894740860929
15 338531738189824
16 170196776412774400
17 709858175909625856
18 18638643564726714369
19 124592287100855910400
20 2576097707358918017025
21 479214351668445504864256