id:A158803 - OEIS Search Results

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Numbers n such that n^2==2 (mod 41).

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17, 24, 58, 65, 99, 106, 140, 147, 181, 188, 222, 229, 263, 270, 304, 311, 345, 352, 386, 393, 427, 434, 468, 475, 509, 516, 550, 557, 591, 598, 632, 639, 673, 680, 714, 721, 755, 762, 796, 803, 837, 844, 878, 885, 919, 926, 960, 967, 1001, 1008, 1042, 1049 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n)^2==2 (mod 41).` `a(n)=a(n-1)+a(n-2)-a(n-3).` `a(n)=(1/4)(41+27(-1)^(n-1)+82(n-1)).` `First differences: a(2n)-a(2n-1) = 7. a(2n+1)-a(2n)=34.` `G.f.: x(17+7x+17x^2)/((1+x)*(x-1)^2). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Apr 04 2009`
	EXAMPLE	`a(1)^2 = 17^2 = 289 = 7*41+2 .`
	CROSSREFS	`Sequence in context: A062628 A127907 A070687 this_sequence A051780 A124971 A105448` `Adjacent sequences: A158800 A158801 A158802 this_sequence A158804 A158805 A158806`
	KEYWORD	`nonn,easy`
	AUTHOR	`Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Mar 27 2009`
	EXTENSIONS	`Comments translated to formulas, R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Apr 04 2009`

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

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