# A291153 (b-file synthesized from sequence entry) 1 3 2 5 3 9 4 15 5 26 6 51 7 91 8 160 9 290 10 526 11 959 12 1767 13 3279 14 6113 15 11426 16 21456 17 40448 18 76548 19 145205 20 276032 21 526142 22 1004977 23 1924032 24 3689162 25 7086486 26 13633821 27 26269617 28 50680636 29 97899691 30 189336057 31 366569494 32 710444878 33 1378224063 34 2676107406 35 5200648226 36 10114912373 37 19687771058 38 38348128843 39 74746149884 40 145785668141 41 284517554507 42 555594884599 43 1085551499862 44 2122142209034 45 4150687469435