id:A084863 - OEIS Search Results

Search: id:A084863

Displaying 1-1 of 1 results found.

page 1

Number of solutions to n = 2*u^2 + 3*v^2, u*v>0.

+0
4

0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 2, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 1, 0 (list; graph; listen)

	OFFSET	`1,35`
	COMMENT	`a(A084864(n)) > 0.`
	LINKS	`Eric Weisstein's World of Mathematics, Diopha ntine Equation: 2nd Powers.`
	EXAMPLE	`n=770 = 219^2 + 34^2 = 217^2 + 38^2 = 213^2 + 312^2 = 21 +` `316^2, therefore a(770)=4.`
	CROSSREFS	`Cf. A084865, A084866.` `Sequence in context: A069849 A138045 A004530 this_sequence A073346 A114099 A028613` `Adjacent sequences: A084860 A084861 A084862 this_sequence A084864 A084865 A084866`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jun 10 2003`

page 1

Search completed in 0.002 seconds

Last modified November 25 08:46 EST 2009. Contains 167481 sequences.

AT&T Labs Research