id:A063699 - OEIS Search Results

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Positions of negative coefficients in cyclotomic polynomial Phi_n(x), A063698 in binary.

+0
6

0, 1, 0, 0, 0, 0, 10, 0, 0, 0, 1010, 0, 100, 0, 101010, 10010010, 0, 0, 1000, 0, 1000100, 100100010010, 1010101010, 0, 10000, 0, 101010101010, 0, 10001000100, 0, 111000, 0, 0, 10010010010010010010, 1010101010101010, 100001010010100101000010 (list; graph; listen)

	OFFSET	`0,7`
	LINKS	`Index entries for cyclotomic polynomials, positions of coefficients`
	EXAMPLE	`E.g. Phi_15(x) = x^8 - x^7 + x^5 - x^4 + x^3 - x + 1, thus the 1-bits of a(15) are at positions 1,4 and 7, thus we get a(15) = 10010010`
	MAPLE	`map(convert, A063698, binary);`
	CROSSREFS	`Cf. A063697, A063671, A063672.` `Sequence in context: A058474 A010894 A002045 this_sequence A167165 A064511 A003785` `Adjacent sequences: A063696 A063697 A063698 this_sequence A063700 A063701 A063702`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen Aug 03 2001`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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