# A049326 (b-file synthesized from sequence entry) 1 1 2 10 3 1 4 50 5 20 6 1 7 125 8 200 9 30 10 1 11 125 12 1250 13 450 14 40 15 1 16 0 17 5250 18 4375 19 800 20 50 21 1 22 0 23 15000 24 30375 25 10500 26 1250 27 60 28 1 29 0 30 28125 31 157500 32 100500 33 20625 34 1800 35 70 36 1 37 0 38 31250 39 621875 40 740000 41 250625 42 35750 43 2450 44 80 45 1 46 0 47 15625 48 1875000 49 4318750