# A335093 (b-file synthesized from sequence entry) 0 1 1 2 2 3 3 5 4 7 5 12 6 18 7 33 8 57 9 105 10 186 11 348 12 648 13 1226 14 2347 15 4535 16 8840 17 17386 18 34229 19 67708 20 134210 21 266779 22 531277 23 1058724 24 2112238 25 4215738 26 8421830 27 16822772 28 33624420 29 67204921 30 134363536 31 268636845 32 537171420 33 1074115099