# A377843 (b-file synthesized from sequence entry) 0 1 1 2 2 9 3 62 4 689 5 7322 6 69369 7 616982 8 5422049 9 48197042 10 433434729 11 3913915502 12 35311723409 13 317999340362 14 2860994944089 15 25738114039622 16 231602961592769 17 2084457277181282 18 18761300850805449 19 168858054223133342 20 1519730933499158129 21 13677470410291063802