# A089962 (b-file synthesized from sequence entry) 0 1 1 -1 2 1 3 0 4 -4 5 1 6 0 7 9 8 -9 9 1 10 0 11 -16 12 48 13 -16 14 1 15 0 16 25 17 -200 18 150 19 -25 20 1 21 0 22 -36 23 720 24 -1080 25 360 26 -36 27 1 28 0 29 49 30 -2352 31 6615 32 -3920 33 735 34 -49 35 1 36 0 37 -64 38 7168 39 -36288 40 35840 41 -11200 42 1344 43 -64 44 1 45 0 46 81 47 -20736 48 183708 49 -290304 50 141750 51 -27216 52 2268 53 -81 54 1 55 0 56 -100 57 57600 58 -874800 59 2150400 60 -1575000 61 453600