id:A075615 - OEIS Search Results

Search: id:A075615

Displaying 1-1 of 1 results found.

page 1

Let P(k,X)=prod(i=1,2*k, X-1/cos(Pi*(2*i-1)/(4*k)) ) which is a polynomial with integer coefficients. Sequence gives array of coefficients for P(k,X).

+0
1

1, 0, -2, 1, 0, -8, 0, 8, 1, 0, -18, 0, 48, 0, -32, 1, 0, -32, 0, 160, 0, -256, 0, 128, 1, 0, -50, 0, 400, 0, -1120, 0, 1280, 0, -512, 1, 0, -72, 0, 840, 0, -3584, 0, 6912, 0, -6144, 0, 2048, 1, 0, -98, 0, 1568, 0, -9408, 0, 26880, 0, -39424, 0, 28672, 0, -8192, 1, 0, -128, 0, 2688, 0, -21504, 0, 84480, 0, -180224, 0 (list; graph; listen)

page 1

Search completed in 0.002 seconds

Last modified December 1 19:22 EST 2009. Contains 167811 sequences.

AT&T Labs Research