# A027945 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 4 4 7 5 12 6 26 7 51 8 92 9 176 10 365 11 709 12 1300 13 2587 14 5270 15 10220 16 18955 17 38403 18 77533 19 150438 20 281403 21 575333 22 1155661 23 2245004 24 4227273 25 8684673 26 17390359 27 33828704 28 64250459 29 131901368 30 263589730 31 513445147 32 984880747