# A092493 (b-file synthesized from sequence entry) 1 1 2 2 3 5 4 14 5 42 6 128 7 389 8 1179 9 3572 10 10825 11 32810 12 99446 13 301412 14 913547 15 2768863 16 8392136 17 25435699 18 77092976 19 233660832 20 708201794 21 2146486339 22 6505777953 23 19718339694 24 59764246943 25 181139247400 26 549014312524 27 1664005563066