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Search: id:A144847
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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. +0
2
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; listen)
OFFSET

0,2

MAPLE

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

CROSSREFS

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

Adjacent sequences: A144844 A144845 A144846 this_sequence A144848 A144849 A144850

Sequence in context: A120399 A144816 A134812 this_sequence A143625 A003612 A103839

KEYWORD

frac,nonn,tabl

AUTHOR

Alois P. Heinz (heinz(AT)hs-heilbronn.de), Sep 22 2008

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Last modified November 8 07:45 EST 2009. Contains 166143 sequences.


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