# A047194 (b-file synthesized from sequence entry) 1 0 2 0 3 1 4 3 5 6 6 13 7 25 8 45 9 91 10 175 11 322 12 645 13 1245 14 2325 15 4651 16 9031 17 17061 18 34123 19 66547 20 126763 21 253527 22 496063 23 950818 24 1901637 25 3730293 26 7184421 27 14368843 28 28243063 29 54604081 30 109208163 31 215008363 32 416990563 33 833981127