# A109970 (b-file synthesized from sequence entry) 0 1 1 0 2 1 3 0 4 -2 5 1 6 0 7 1 8 -4 9 1 10 0 11 0 12 6 13 -6 14 1 15 0 16 0 17 -4 18 15 19 -8 20 1 21 0 22 0 23 1 24 -20 25 28 26 -10 27 1 28 0 29 0 30 0 31 15 32 -56 33 45 34 -12 35 1 36 0 37 0 38 0 39 -6 40 70 41 -120 42 66 43 -14 44 1 45 0 46 0 47 0 48 1 49 -56 50 210 51 -220 52 91 53 -16 54 1 55 0 56 0 57 0 58 0 59 28 60 -252 61 495 62 -364 63 120 64 -18 65 1