# A054159 (b-file synthesized from sequence entry) 0 0 1 1 2 1 3 2 4 4 5 8 6 15 7 27 8 51 9 93 10 174 11 329 12 620 13 1177 14 2250 15 4308 16 8286 17 15961 18 30871 19 59792 20 116083 21 225754 22 439666 23 857554 24 1674630 25 3273944 26 6407147 27 12550615 28 24605525 29 48277287 30 94790704 31 186242926 32 366153007 33 720274117 34 1417640576