# A308745 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 4 4 8 5 17 6 36 7 76 8 161 9 342 10 726 11 1542 12 3276 13 6960 14 14788 15 31422 16 66767 17 141872 18 301464 19 640584 20 1361188 21 2892417 22 6146164 23 13060136 24 27751818 25 58970564 26 125308114 27 266270558 28 565805452 29 1202295228 30 2554789536 31 5428741218 32 11535678790 33 24512475453