# A270879 (b-file synthesized from sequence entry) 0 0 1 1 2 1 3 2 4 7 5 10 6 20 7 34 8 65 9 124 10 230 11 430 12 800 13 1494 14 2792 15 5210 16 9727 17 18155 18 33892 19 63271 20 118110 21 220484 22 411588 23 768337 24 1434304 25 2677500 26 4998252 27 9330536 28 17417876 29 32515004 30 60697720 31 113308101 32 211519073 33 394855430 34 737100483 35 1375989990