# A292855 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 5 4 11 5 27 6 63 7 143 8 341 9 799 10 1865 11 4417 12 10401 13 24433 14 57619 15 135749 16 319683 17 753427 18 1775207 19 4182359 20 9855389 21 23222687 22 54718921 23 128937361 24 303821873 25 715906625 26 1686933723 27 3975020013 28 9366551195 29 22070960907 30 52007117407 31 122547413479 32 288765804957 33 680436157615