id:A063704 - OEIS Search Results

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Cyclotomic polynomials Phi_n at x=phi divided by sqrt(5) and floored down (where phi = tau = (sqrt(5)+1)/2).

+0
5

0, 0, 1, 2, 1, 7, 0, 20, 3, 10, 2, 143, 2, 376, 5, 11, 21, 2583, 6, 6764, 15, 74, 34, 46367, 18, 7435, 89, 2618, 104, 832039, 25, 2178308, 987, 3399, 610, 20160, 136, 39088168, 1597, 23228, 861, 267914295, 182, 701408732, 4895, 35920, 10946, 4807526976 (list; graph; listen)

	OFFSET	`0,4`
	MAPLE	`with(numtheory); Phi_at_x := (n, y) -> subs(x=y, cyclotomic(n, x)); [seq(floor(evalf(simplify(Phi_at_x(j, (sqrt(5)+1)/2))/(sqrt(5)))), j=0..120)];`
	CROSSREFS	`A063703, A051258, A063706, A063708.` `Sequence in context: A103114 A004561 A051258 this_sequence A116891 A079620 A010254` `Adjacent sequences: A063701 A063702 A063703 this_sequence A063705 A063706 A063707`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen Aug 03 2001`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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