# A018151 (b-file synthesized from sequence entry) 0 1 1 2 2 3 3 5 4 8 5 13 6 22 7 36 8 61 9 101 10 169 11 282 12 471 13 788 14 1315 15 2197 16 3670 17 6129 18 10238 19 17100 20 28561 21 47705 22 79680 23 133088 24 222294 25 371293 26 620162 27 1035843 28 1730146 29 2889824 30 4826809 31 8062111 32 13465964