# A061683 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 37
4 641
5 18276
6 789377
7 48681011
8 4101601933
9 456231359098
10 65186917527755
11 11698971297097514
12 2588414536916535692
13 694943711701146526685
14 223358454122075825673083
15 84933806339641062320374739
16 37818769294977584683919425677