# A278639 (b-file synthesized from sequence entry) 0 0 1 0 2 0 3 1 4 3 5 12 6 38 7 117 8 336 9 976 10 2724 11 7689 12 21455 13 60228 14 168714 15 475037 16 1338861 17 3788400 18 10742588 19 30556305 20 87112059 21 248967564 22 713032782 23 2046325125 24 5883428618 25 16944975048 26 48880471500 27 141212377489 28 408509453511 29 1183275193908 30 3431504760514