id:A106547 - OEIS Search Results

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Perfect squares n^2 which are neither the sum nor the difference of two primes (otherwise 0).

+0
3

0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 121, 0, 0, 0, 0, 0, 289, 0, 0, 0, 0, 0, 529, 0, 625, 0, 0, 0, 0, 0, 961, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1681, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2601, 0, 2809, 0, 0, 0, 0, 0, 3481, 0, 0, 0, 0, 0, 4225, 0, 4489, 0, 0, 0, 0, 0, 5329, 0, 0, 0, 0, 0, 6241, 0, 0, 0, 6889, 0 (list; graph; listen)

	OFFSET	`1,11`
	FORMULA	`a(n) = Min(A106544(n), n^2-A106546(n)).`
	CROSSREFS	`Cf. A106544-A106548, A106562-A106564, A106571, A106573-A106575, A106577.` `Sequence in context: A003922 A045509 A033187 this_sequence A106544 A079842 A014756` `Adjacent sequences: A106544 A106545 A106546 this_sequence A106548 A106549 A106550`
	KEYWORD	`easy,nonn`
	AUTHOR	`Alexandre Wajnberg (alexandre.wajnberg(AT)ulb.ac.be), May 08 2005`
	EXTENSIONS	`Corrected and extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), May 12 2005`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

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