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Search: id:A123148
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| A123148 |
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Triangle read by rows: T(n,k) is the coefficient of x^k in the polynomial p[n,x] defined by p[0,x]=-1, p[1,x]=x-2, p[n,x]=-xp[n-1,x]+2p[n-2,x] for n>=3 (0<=k<=n). |
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| -1, -2, 1, -2, 2, -1, -4, 4, -2, 1, -4, 8, -6, 2, -1, -8, 12, -12, 8, -2, 1, -8, 24, -24, 16, -10, 2, -1, -16, 32, -48, 40, -20, 12, -2, 1, -16, 64, -80, 80, -60, 24, -14, 2, -1, -32, 80, -160, 160, -120, 84, -28, 16, -2, 1, -32, 160, -240, 320, -280, 168, -112, 32, -18, 2, -1
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