# A150110 (b-file synthesized from sequence entry) 0 1 1 2 2 6 3 19 4 69 5 266 6 1064 7 4363 8 18277 9 77918 10 336500 11 1468192 12 6462863 13 28663461 14 127926470 15 574016728 16 2587773401 17 11714398489 18 53221797551 19 242580513410 20 1108851682027 21 5081788567173 22 23344048991986 23 107462882959534 24 495658287399097 25 2290218838590966 26 10599364955357158 27 49128757432939238