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A152094 Quartic product sequence: m = 2*4; l = 2*4^3; a(n)=Product[1 + m*Cos[k*Pi/n]^2 + l*Cos[k*Pi/n]^4, {k, 1, (n - 1)/2}]. +0
6
1, 1, 1, 11, 37, 179, 869, 3683, 18389, 80179, 385029, 1739651, 8134709, 37397203, 173097317, 799986979, 3694294933, 17085418099, 78904394437, 364797113027, 1685324681973, 7789441113619, 35993781049381, 166339303316579 (list; graph; listen)
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Last modified December 3 22:15 EST 2009. Contains 170310 sequences.


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