# A067474 (b-file synthesized from sequence entry)
1 4
2 49
3 400
4 4096
5 40000
6 400689
7 4000000
8 40005625
9 400000000
10 4000056516
11 40000000000
12 400000591936
13 4000000000000
14 40000008597136
15 400000000000000
16 4000000100766916
17 40000000000000000
18 400000001222314089
19 4000000000000000000
20 40000000008389413041