# A012170 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 169
4 5857
5 365905
6 48069217
7 6592812217
8 1367546003521
9 352618786733473
10 113088877092468289
11 44682599178075094729
12 21050259388599343979041
13 11746444483256346415750897