# A048425 (b-file synthesized from sequence entry)
1 484416
2 1625625
3 3136441
4 6441444
5 12152196
6 36168196
7 36252441
8 63504961
9 257121225
10 259049025
11 259081216
12 367680625
13 841232016
14 1605284356
15 2253875625
16 4622504121
17 4761966049
18 5776760025
19 7292476816
20 8117649604