A097508 - OEIS

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A097508

Differences between n and (floor(n/cos(45))).

0, 0, 0, 1, 1, 2, 2, 2, 3, 3, 4, 4, 4, 5, 5, 6, 6, 7, 7, 7, 8, 8, 9, 9, 9, 10, 10, 11, 11, 12, 12, 12, 13, 13, 14, 14, 14, 15, 15, 16, 16, 16, 17, 17, 18, 18, 19, 19, 19, 20, 20, 21, 21, 21, 22, 22, 23, 23, 24, 24, 24, 25, 25, 26, 26, 26, 27, 27, 28, 28, 28, 29, 29, 30, 30, 31, 31, 31 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,6`
	FORMULA	`a(n) = (floor(n / cos(45))) - n` `a(n) = A001951(n)-n. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 19 2010]`
	CROSSREFS	`Sequence in context: A057354 A172476 A172267 * A109964 A025778 A078451` `Adjacent sequences: A097505 A097506 A097507 * A097509 A097510 A097511`
	KEYWORD	`easy,nonn`
	AUTHOR	`Odimar Fabeny (aifab(AT)yahoo.com.br), Aug 26 2004`
	EXTENSIONS	`Extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 19 2010`

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Last modified February 14 11:11 EST 2012. Contains 205616 sequences.