# A030277 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 2 5 4 6 10 7 28 8 86 9 286 10 1019 11 3857 12 15418 13 64782 14 285041 15 1309355 16 6263085 17 31127475 18 160432093 19 856039863 20 4721638083 21 26883787141 22 157812750656 23 953995201996 24 5932516347277 25 37913110456751 26 248768719522450 27 1674488577654500 28 11553041105489900