# 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