# A102872 (b-file synthesized from sequence entry) 1 1 2 5 3 7 4 13 5 47 6 295 7 1631 8 1909 9 6487 10 13085 11 84997 12 502829 13 517135 14 2428309 15 3605639 16 5077565 17 24062143 18 149450423 19 808182895 20 985222181 21 2978678759 22 6719515981 23 43295774645 24 252223018333 25 267326277407 26 1170495537221 27 1738366812781 28 1856180682775