# A043328 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 3 4 6 5 11 6 22 7 42 8 83 9 162 10 318 11 623 12 1224 13 2402 14 4717 15 9261 16 18185 17 35706 18 70111 19 137665 20 270313 21 530772 22 1042200 23 2046413 24 4018242 25 7890029 26 15492492 27 30420327 28 59731927 29 117286804 30 230298862 31 452204027 32 887926594 33 1743490958