A089086 - OEIS

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A089086

Greatest common divisor of n^2-5 and n^2+5.

5, 2, 1, 2, 1, 10, 1, 2, 1, 2, 5, 2, 1, 2, 1, 10, 1, 2, 1, 2, 5, 2, 1, 2, 1, 10, 1, 2, 1, 2, 5, 2, 1, 2, 1, 10, 1, 2, 1, 2, 5, 2, 1, 2, 1, 10, 1, 2, 1, 2, 5, 2, 1, 2, 1, 10, 1, 2, 1, 2, 5, 2, 1, 2, 1, 10, 1, 2, 1, 2, 5, 2, 1, 2, 1, 10, 1, 2, 1, 2, 5, 2, 1, 2, 1, 10, 1, 2, 1, 2, 5, 2, 1, 2, 1, 10, 1, 2, 1, 2, 5 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	PROG	`(PARI) g(n) = for(x=0, n, print1(gcd(x^2-5, x^2+5)", "))`
	CROSSREFS	`Sequence in context: A029764 A136301 A132690 * A038631 A158625 A133615` `Adjacent sequences: A089083 A089084 A089085 * A089087 A089088 A089089`
	KEYWORD	`easy,nonn`
	AUTHOR	`Cino Hilliard (hillcino368(AT)gmail.com), Dec 05 2003`

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Last modified February 14 16:53 EST 2012. Contains 205635 sequences.