id:A112092 - OEIS Search Results

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A112092

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

+0
2

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; listen)

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

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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