id:A138494 - OEIS Search Results

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a and b are integers > 0, aa + bb = cc. The number of integer solutions for a,b between successive c integers. Integer solutions for c (Pythagorean triples) are not included.

+0
1

1, 3, 4, 5, 7, 8, 11, 13, 13, 14, 15, 19, 20, 21, 21, 23, 26, 29, 29, 28, 35, 33, 34, 37, 37, 41, 40, 41, 45, 44, 51, 49, 51, 54, 49, 57, 54, 63, 59, 56, 65, 65, 71, 68, 65, 73, 72, 77, 75, 79, 78, 75, 83, 80, 91, 85, 89, 88, 91, 95, 94, 97, 99, 96, 99, 99, 105, 110, 103, 109 (list; graph; listen)

	OFFSET	`1,2`
	PROGRAM	`(Qbasic) OPEN "PYTH.TXT" FOR OUTPUT AS #1` `FOR C = 1 TO 100` `N = 0` `FOR A = 1 TO C` `FOR B = 1 TO C` `D = SQR(A * A + B * B)` `IF D > C AND D < C + 1 THEN N = N + 1` `NEXT B` `NEXT A` `PRINT #1, N;` `NEXT C` `CLOSE`
	CROSSREFS	`Sequence in context: A137292 A047500 A131613 this_sequence A111801 A108372 A066542` `Adjacent sequences: A138491 A138492 A138493 this_sequence A138495 A138496 A138497`
	KEYWORD	`easy,nonn`
	AUTHOR	`Rick Walcott (rick(AT)campbellsci.com), May 09 2008`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research