# A228840 (b-file synthesized from sequence entry) 0 2 1 15 2 171 3 2160 4 27783 5 358425 6 4626234 7 59716035 8 770832207 9 9950150160 10 128439782811 11 1657942687845 12 21401266181778 13 276254540154855 14 3565983915414819 15 46030886147041200 16 594181726489417887 17 7669891971371155905 18 99005472955353055626