# A148799 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 8 4 25 5 86 6 294 7 1024 8 3817 9 14242 10 54008 11 208696 12 811078 13 3195510 14 12739105 15 50994738 16 205890076 17 836663641 18 3415423985 19 14032729088 20 57915331555 21 239929351225 22 998341477817 23 4168025001135 24 17460273027901 25 73393532119090 26 309339627471817 27 1307340906252813 28 5539469603511181