id:A046112 - OEIS Search Results

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a(n) is smallest integral radius of circle centered at (0,0) having 8n-4 lattice points on its circumference; a(n)/2 is smallest half-integral radius circle centered at (1/2,0) having 4n-2 lattice points; a(n)/3 is smallest third-integral radius circle centered at (1/3,0) having 2n-1 lattice points.

+0
5

1, 5, 25, 125, 65, 3125, 15625, 325, 390625, 1953125, 1625, 48828125, 4225, 1105 (list; graph; listen)

	OFFSET	`1,2`
	LINKS	`Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.` `Eric Weisstein's World of Mathematics, Pythagorean Triple`
	CROSSREFS	`Except for offset, same as A006339, which gives more terms.` `Cf. A046109, A046110, A046111, A000328.` `Sequence in context: A099504 A036156 A097756 this_sequence A006339 A032534 A036151` `Adjacent sequences: A046109 A046110 A046111 this_sequence A046113 A046114 A046115`
	KEYWORD	`nonn`
	AUTHOR	`Eric Weisstein (eric(AT)weisstein.com)`

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.

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