# A144385 (b-file synthesized from sequence entry) 0 1 1 0 2 1 3 1 4 1 5 0 6 0 7 1 8 3 9 7 10 10 11 10 12 0 13 0 14 0 15 1 16 6 17 25 18 75 19 175 20 280 21 280 22 0 23 0 24 0 25 0 26 1 27 10 28 65 29 315 30 1225 31 3780 32 9100 33 15400 34 15400 35 0 36 0 37 0 38 0 39 0 40 1 41 15 42 140 43 980 44 5565 45 26145 46 102025 47 323400 48 800800 49 1401400 50 1401400 51 0 52 0 53 0 54 0 55 0 56 0 57 1 58 21 59 266 60 2520 61 19425 62 125895 63 695695 64 3273270 65 12962950 66 42042000 67 106506400 68 190590400 69 190590400