id:A081766 - OEIS Search Results

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Numbers n such that n^2+1 divides C(2n,n).

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1, 3, 8, 13, 17, 30, 46, 47, 68, 73, 75, 93, 98, 105, 112, 122, 144, 155, 172, 183, 189, 192, 203, 217, 233, 237, 242, 254, 266, 268, 269, 278, 286, 294, 348, 380, 401, 403, 411, 423, 437, 439, 443, 456, 463, 476, 483, 489, 494, 498, 511, 520, 526, 540, 563 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Sequence in context: A045188 A022762 A022807 this_sequence A010064 A133330 A095762` `Adjacent sequences: A081763 A081764 A081765 this_sequence A081767 A081768 A081769`
	KEYWORD	`easy,nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 09 2003`

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.

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