# A227572 (b-file synthesized from sequence entry) 0 0 1 1 2 1 3 1 4 2 5 4 6 6 7 10 8 16 9 26 10 41 11 67 12 108 13 175 14 283 15 458 16 741 17 1199 18 1941 19 3140 20 5081 21 8221 22 13302 23 21524 24 34826 25 56349 26 91175 27 147525 28 238700 29 386225 30 624925 31 1011150 32 1636075 33 2647225 34 4283300 35 6930525 36 11213825 37 18144350 38 29358175