A108879 - OEIS

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A108879

Numbers n such that (n-1)*n^n+1 is prime.

2, 4, 20, 93, 100, 1536 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	EXAMPLE	`2 is in the sequence because (2-1)2^2+1 = 12^2+1 = 4+1 = 5, which is prime`
	CROSSREFS	`Sequence in context: A204438 A188326 A158094 * A058006 A153229 A013329` `Adjacent sequences: A108876 A108877 A108878 * A108880 A108881 A108882`
	KEYWORD	`more,nonn`
	AUTHOR	`Ray G. Opao (1260(AT)email.com), Jul 14 2005`

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Last modified February 17 23:58 EST 2012. Contains 206085 sequences.