# A155199 (b-file synthesized from sequence entry) 0 1 1 9 2 90 3 909 4 9180 5 92709 6 936270 7 9455409 8 95490360 9 964359009 10 9739080450 11 98355163509 12 993290715540 13 10031262318909 14 101305913904630 15 1023090401365209 16 10332209927556720 17 104345189676932409 18 1053784106696880810 19 10642186256645740509 20 107475646673154285900