# A012105 (b-file synthesized from sequence entry)
0 1
1 1
2 9
3 337
4 20433
5 2146497
6 334449049
7 72730741137
8 21072553238433
9 7839688801269505
10 3643403659959276585
11 2068430144100589034577
12 1408597220893698317848945
13 1133327555472108223412440257