# A185631 (b-file synthesized from sequence entry) 0 1 1 4 2 10 3 32 4 137 5 766 6 5382 7 46022 8 467206 9 5519252 10 74629263 11 1139283601 12 19411643752 13 365595475542 14 7548810986515 15 169681672611815 16 4126880020198630 17 108026180912533227 18 3029184083924476085 19 90617948406514693702 20 2881333799993441893564 21 97057552263114611503090