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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.
4
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
OFFSET
0,5
LINKS
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: A365672 A108390 A102400 * A113810 A002161 A083871
KEYWORD
frac,nonn,tabl
AUTHOR
Alois P. Heinz, Sep 23 2008
STATUS
approved