A112092 - OEIS

This site is supported by donations to The OEIS Foundation.

A112092

a(n) is the least prime such that the multiplicative order of 4 mod a(n) equals n.

3, 5, 7, 17, 11, 13, 43, 257, 19, 41, 23, 241, 2731, 29, 151, 65537, 43691, 37, 174763, 61681, 337, 397, 47, 97, 251, 53, 87211, 15790321 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	COMMENTS	`a(n) is the minimal prime divisor of A064080(n).`
	CROSSREFS	`Cf. A064080 A143663.` `Sequence in context: A070846 A078683 A099863 * A031441 A078150 A114265` `Adjacent sequences: A112089 A112090 A112091 * A112093 A112094 A112095`
	KEYWORD	`nonn`
	AUTHOR	`Vladimir Shevelev (shevelev(AT)bgu.ac.il), Aug 28 2008`

Content is available under The OEIS End-User License Agreement .

Last modified February 17 02:31 EST 2012. Contains 205978 sequences.