# A051147 (b-file synthesized from sequence entry) 0 1 1 2 2 3 3 5 4 9 5 12 6 17 7 29 8 45 9 81 10 105 11 177 12 245 13 323 14 569 15 893 16 1277 17 2121 18 3221 19 4853 20 7697 21 11015 22 15333 23 25841 24 40157 25 59213 26 84239 27 135107 28 184679 29 265277 30 445029 31 606509 32 830411 33 1394489 34 1973405 35 2683997 36 4176989 37 6710687 38 9906153 39 15114275 40 22269021