# A150884 (b-file synthesized from sequence entry) 0 1 1 2 2 8 3 33 4 150 5 684 6 3229 7 15298 8 73626 9 355375 10 1729522 11 8436439 12 41348599 13 203019209 14 999765220 15 4930173250 16 24359727084 17 120490798599 18 596787779737 19 2958395511129 20 14679546022648 21 72889010886540 22 362178959182390 23 1800603552325418 24 8956750649823073 25 44572886772095708 26 221909515125736005