# A169913 (b-file synthesized from sequence entry) 0 0 1 0 2 3 3 5 4 11 5 23 6 45 7 89 8 179 9 344 10 701 11 1366 12 2672 13 5290 14 10428 15 20400 16 40207 17 79206 18 155717 19 307072 20 606263 21 1194231 22 2361275 23 4668863 24 9228695 25 18290082 26 36249420 27 71861874 28 142662288 29 283409860 30 563270809 31 1120416558 32 2229577195 33 4438853135 34 8843117452 35 17624956422 36 35136263159 37 70081625113 38 139821120157