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 A144860 Denominators of triangle T(n,k), n>=0, 0<=k<=n, read by rows: T(n,k) is the coefficient of x^(2k+1) in polynomial v_n(x), used to approximate x->sin(Pi*x)/Pi. 2
 1, 1, 1, 1, 7, 7, 1, 87, 29, 87, 1, 2047, 2047, 2047, 2047, 1, 15731, 78655, 15731, 15731, 78655, 1, 4439935, 887987, 4439935, 887987, 4439935, 4439935, 1, 49239241, 49239241, 344674687, 49239241, 49239241, 49239241, 344674687, 1, 35162451967 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,5 LINKS Alois P. Heinz, Rows n = 0..99, flattened MAPLE seq (seq (denom (T(n, k)), k=0..n), n=0..9); CROSSREFS See A144859 for more information on T(n, k). Column k=0 gives: A000012. Sequence in context: A093781 A108390 A102400 * A113810 A002161 A083871 Adjacent sequences:  A144857 A144858 A144859 * A144861 A144862 A144863 KEYWORD frac,nonn,tabl AUTHOR Alois P. Heinz, Sep 23 2008 STATUS approved

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