# A330456 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 5 4 10 5 20 6 43 7 84 8 168 9 332 10 650 11 1255 12 2428 13 4636 14 8827 15 16702 16 31457 17 58919 18 109977 19 204286 20 378135 21 697240 22 1281315 23 2346612 24 4284654 25 7799248 26 14157079 27 25626996 28 46269838 29 83330373 30 149717844 31 268371413 32 479996794 33 856661792 34 1525761119 35 2712050472