# A371575 (b-file synthesized from sequence entry) 0 1 1 2 2 15 3 144 4 1587 5 18942 6 238301 7 3111788 8 41779164 9 573127760 10 7998164674 11 113189243386 12 1620583793262 13 23431706243230 14 341654376602948 15 5017986762425680 16 74170837061591036 17 1102479579201183898 18 16469074050937364044 19 247115476148847822586