id:A087819 - OEIS Search Results

Search: id:A087819

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z values corresponding to A087818.

+0
2

0, 2, 0, 3, 4, 4, 5, 6, 5, 6, 0, 7, 6, 8, 8, 0, 9, 8, 9, 10, 10, 8, 9, 0, 11, 11, 12, 10, 12, 11, 12, 13, 10, 13, 12, 14, 14, 14, 12, 15, 13, 15, 14, 16, 15, 16, 13, 14, 16, 15, 17, 17, 13, 14, 18, 18, 16, 18, 17, 0, 19, 15, 18, 19, 17, 19, 20, 18, 20, 15, 20, 17, 0, 21, 20, 21, 19, 21 (list; graph; listen)

	OFFSET	`1,2`
	PROGRAM	`(PARI) fourkp1(n) = { forstep(x=1, n, 4, for(y=1, floor(sqrt(x)), z=x-y^2; if(issquare(z), print1(floor(sqrt(z))" "); break; ) ) ) }`
	CROSSREFS	`Sequence in context: A066439 A101336 A137218 this_sequence A066246 A109921 A139637` `Adjacent sequences: A087816 A087817 A087818 this_sequence A087820 A087821 A087822`
	KEYWORD	`nonn`
	AUTHOR	`Cino Hilliard (hillcino368(AT)gmail.com), Oct 06 2003`

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

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