# A199410 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 4 4 9 5 21 6 50 7 122 8 303 9 763 10 1943 11 4996 12 12953 13 33824 14 88877 15 234824 16 623474 17 1662618 18 4451171 19 11959159 20 32235236 21 87145035 22 236226761 23 641942519 24 1748479813 25 4772529625 26 13052515077 27 35763350619 28 98158386548 29 269844628977 30 742940020480 31 2048366903124 32 5655092015428