# A000591 (b-file synthesized from sequence entry)
1 10
2 378
3 16576
4 819470
5 45660051
6 2846339383
7 196946930215
8 15006717613499
9 1250005718758059
10 113076157328915784
11 11044120989736000167
12 1158658706030435109195
13 129976520576914828292552