A063699 - OEIS

This site is supported by donations to The OEIS Foundation.

A063699

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

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; refs; listen; history; internal format)

	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 * A167165 A064511 A003785` `Adjacent sequences: A063696 A063697 A063698 * A063700 A063701 A063702`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen Aug 03 2001`

Content is available under The OEIS End-User License Agreement .

Last modified February 14 19:37 EST 2012. Contains 205663 sequences.