id:A005818 - OEIS Search Results

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Number of primitive solutions to n^2 = a^2 + b^2 + c^2 (a,b,c > 0).

+0
1

3, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, 99 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A097270 A109802 A165631 this_sequence A085820 A045572 A069254` `Adjacent sequences: A005815 A005816 A005817 this_sequence A005819 A005820 A005821`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), RALPH PETERSON (ralphp(AT)LIBRARY.NRL.NAVY.MIL)`

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

AT&T Labs Research