# A121364 (b-file synthesized from sequence entry) 1 0 2 0 3 1 4 2 5 3 6 6 7 10 8 18 9 29 10 50 11 81 12 136 13 220 14 364 15 589 16 966 17 1563 18 2550 19 4126 20 6710 21 10857 22 17622 23 28513 24 46224 25 74792 26 121160 27 196041 28 317434 29 513619 30 831430 31 1345282 32 2177322 33 3522981 34 5701290 35 9224881 36 14927768 37 24153636 38 39083988 39 63239221 40 102327390