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 A174190 Triangle T(n,m) = numerator of 1/n^2-1/(n-m)^2, read by rows. 1
 0, 0, -3, 0, -5, -8, 0, -7, -3, -15, 0, -9, -16, -21, -24, 0, -11, -5, -1, -2, -35, 0, -13, -24, -33, -40, -45, -48, 0, -15, -7, -39, -3, -55, -15, -63, 0, -17, -32, -5, -56, -65, -8, -77, -80, 0, -19, -9, -51, -4, -3, -21, -91, -6, -99, 0, -21, -40, -57, -72, -85, -96 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS The triangle contains the initial values of the array described in A172370. Ignoring details of column indexing, these are the negated values of A061035. LINKS Table of n, a(n) for n=1..62. EXAMPLE The triangle starts in column n=1, rows 0<=m

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Last modified April 18 16:22 EDT 2024. Contains 371780 sequences. (Running on oeis4.)