# A205484 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 3 4 7 5 14 6 30 7 65 8 132 9 280 10 632 11 1439 12 3299 13 7569 14 17450 15 40313 16 92889 17 212801 18 483590 19 1092649 20 2467078 21 5581232 22 12690828 23 29123728 24 67648617 25 159370347 26 381080620 27 923803158 28 2264970530 29 5599185887 30 13909201590 31 34612152762 32 86049014990