A105837 - OEIS

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A105837

Numbers n such that n^2 = 11*k^2 + 11*k + 1, k sequence = A105838.

1, 131, 529, 52139, 210541, 20751191, 83794789, 8258921879, 33350115481, 3287030156651 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	FORMULA	`Define a(1)=1, a(2)=131, a(3)=398a(1)+a(2), a(4)=398a(2)+a(1) then a(n)=398*a(n-2)-a(n-4)`
	CROSSREFS	`Cf. A105838.` `Sequence in context: A068680 A142555 A118507 * A142205 A142807 A103834` `Adjacent sequences: A105834 A105835 A105836 * A105838 A105839 A105840`
	KEYWORD	`nonn`
	AUTHOR	`Pierre CAMI (pierre-cami(AT)bbox.fr), Apr 22 2005`

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Last modified February 14 10:18 EST 2012. Contains 205614 sequences.