id:A063066 - OEIS Search Results

Search: id:A063066

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Numbers expressible as (a^2-1)(b^2-1).

+0
4

9, 24, 45, 64, 72, 105, 120, 144, 189, 192, 225, 240, 280, 297, 360, 384, 429, 504, 525, 576, 585, 640, 672, 720, 765, 792, 840, 864, 945, 960, 969, 1080, 1144, 1152, 1197, 1200, 1225, 1320, 1344, 1449, 1485, 1512, 1560, 1584, 1680, 1725, 1792, 1800, 1872 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`K. S. Brown, Numbers Expressible as (a^2-1)(b^2-1)`
	EXAMPLE	`45 is on the list because 45=(2^2-1)(4^2-1)`
	CROSSREFS	`Cf. A057535, A063067, A063068.` `Sequence in context: A003343 A047720 A161449 this_sequence A097658 A067725 A001106` `Adjacent sequences: A063063 A063064 A063065 this_sequence A063067 A063068 A063069`
	KEYWORD	`nonn`
	AUTHOR	`Henry Bottomley (se16(AT)btinternet.com), Jul 08 2001`

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.

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