id:A090788 - OEIS Search Results

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Numbers that can be expressed as the difference of the squares of primes in just two distinct ways.

+0
25

72, 360, 432, 528, 768, 888, 960, 1032, 1080, 1128, 1272, 1392, 1488, 1512, 1608, 1632, 1728, 1920, 2088, 2112, 2232, 2352, 2400, 2448, 2568, 2688, 2808, 3048, 3168, 3240, 3288, 3480, 3648, 3768, 4008, 4032, 4128, 4248, 4272, 4392, 4488, 4512, 4992 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`72 = 11^2-7^2 = 19^2-17^2.`
	CROSSREFS	`Cf. A078667, A090781, A090782.` `Sequence in context: A004007 A157909 A107314 this_sequence A084479 A084478 A164377` `Adjacent sequences: A090785 A090786 A090787 this_sequence A090789 A090790 A090791`
	KEYWORD	`nonn`
	AUTHOR	`Ray Chandler (rayjchandler(AT)sbcglobal.net), Feb 14 2004`

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Last modified March 20 09:10 EDT 2010. Contains 173642 sequences.

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