id:A118229 - OEIS Search Results

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Triangle, read by rows, equal to the matrix inverse of triangle A054431; the inverse transformation that obtains {a(n)} from b(n) = sum{1<=k<=n, GCD(k,n)=1} a(k).

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1, -1, 1, -1, 0, 1, 1, -1, -1, 1, -1, 0, 0, 0, 1, 1, 0, 0, -1, -1, 1, 1, 0, -1, 0, -1, 0, 1, -1, 0, 2, -1, 0, 0, -1, 1, -1, 0, 0, 0, 1, 0, -1, 0, 1, 1, 0, -1, 1, 0, -1, 1, -1, -1, 1, -1, 0, 1, 0, 0, 0, -1, 0, 0, 0, 1, 1, 0, -1, 0, 0, 0, 1, 0, 0, -1, -1, 1, 3, 0, -2, 0, -2, 0, 2, 0, -1, 0, -1, 0, 1, -3, 0, 1, 0, 3, 0, -1, -1, 1, 0, 0, 0, -1, 1 (list; table; graph; listen)

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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