A144847 - OEIS

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A144847

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 u_n(x), used to approximate x->sin(Pi*x)/Pi.

1, 2, 2, 8, 4, 8, 88, 22, 88, 44, 2048, 64, 1024, 256, 2048, 78656, 4916, 19664, 39328, 78656, 39328, 4439936, 34687, 277496, 1109984, 4439936, 1109984, 2219968, 344674688, 2692771, 21542168, 43084336, 344674688, 86168672, 172337344

(list; table; graph; refs; listen; history; text; internal format)

OFFSET

0,2

LINKS

Alois P. Heinz, Rows n = 0..99, flattened

MAPLE

seq(seq(denom(T(n, k)), k=0..n), n=0..9);

CROSSREFS

See A144846 for more information on T(n,k).

Sequence in context: A120399 A144816 A134812 * A143625 A003612 A337944

Adjacent sequences: A144844 A144845 A144846 * A144848 A144849 A144850

KEYWORD

frac,nonn,tabl

AUTHOR

Alois P. Heinz, Sep 22 2008

STATUS

approved