id:A009112 - OEIS Search Results

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Areas of Pythagorean triangles: numbers which can be the area of a right-angled triangle with integer sides.

+0
14

6, 24, 30, 54, 60, 84, 96, 120, 150, 180, 210, 216, 240, 270, 294, 330, 336, 384, 480, 486, 504, 540, 546, 600, 630, 720, 726, 750, 756, 840, 864, 924, 960, 990, 1014, 1080, 1176, 1224, 1320, 1344, 1350, 1386, 1470, 1500, 1536, 1560, 1620, 1710, 1716, 1734, 1890 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`30 belongs to the sequence as the area of the triangle (5,12,13) is 30.` `6 is in the sequence because it is the area of the 3-4-5 triangle is the integer 6.`
	CROSSREFS	`Cf. A009111, A024365.` `Adjacent sequences: A009109 A009110 A009111 this_sequence A009113 A009114 A009115` `Sequence in context: A131906 A046131 A009111 this_sequence A057101 A057228 A132398`
	KEYWORD	`nonn`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`

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Last modified October 10 20:39 EDT 2008. Contains 144831 sequences.

AT&T Labs Research