# A012823 (b-file synthesized from sequence entry) 0 1 1 3 2 53 3 1855 4 156425 5 19537595 6 3987121981 7 1087120051511 8 408148372272017 9 193531749818796403 10 116081047496759766725 11 84538055378229508493871 12 74205177566923695709271961