id:A145828 - OEIS Search Results

Search: id:A145828

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Squares in A145768 (XOR of squares of the numbers 1...n).

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1, 16, 1, 225, 0, 256, 400, 961, 256, 2401, 4225, 50176, 9216, 9216, 113569, 20736, 518400, 160000, 893025, 390625, 861184, 685584, 134689, 861184, 3568321, 389376, 6806881, 12730624, 12730624, 4260096, 105534529 (list; graph; listen)

	OFFSET	`1,2`
	PROGRAM	`(PARI) an=0; for( i=1, 10^4, an=bitxor(an, i^2); issquare(an) & print1(an", "))`
	CROSSREFS	`A145828 = A145768 intersect A000290; a(n) = A145768(A145827(n)) = A145829(n)^2.` `Sequence in context: A036179 A099923 A105671 this_sequence A095876 A095851 A095881` `Adjacent sequences: A145825 A145826 A145827 this_sequence A145829 A145830 A145831`
	KEYWORD	`easy,nice,nonn`
	AUTHOR	`M. F. Hasler (MHasler(AT)univ-ag.fr), Oct 20 2008`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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