# A148336 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 5 4 14 5 44 6 152 7 538 8 1995 9 7662 10 29940 11 120398 12 491459 13 2038747 14 8581283 15 36510595 16 157045874 17 681735158 18 2982964821 19 13151583858 20 58359139202 21 260520699938 22 1169379642893 23 5274592297251 24 23900749201570 25 108751720395298 26 496735253829031 27 2276991119469184 28 10471775432100043