id:A046078 - OEIS Search Results

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Primes of the form n*phi(n)-1 where phi is the Euler function.

+0
3

5, 7, 19, 11, 41, 31, 53, 109, 47, 83, 127, 271, 107, 251, 191, 499, 311, 811, 239, 929, 659, 839, 431, 683, 503, 2161, 971, 3659, 2267, 3119, 1319, 4421, 4969, 2663, 2999, 1871, 4373, 4871, 6551, 9311, 5939, 10099, 5039, 8423, 11423, 13309, 9839, 16001 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`These are listed in order of increasing n.`
	LINKS	`T. D. Noe, Table of n, a(n) for n=1..1000`
	CROSSREFS	`Cf. A059109.` `Cf. A002618, A046062` `Sequence in context: A116640 A116623 A046151 this_sequence A075409 A058079 A076787` `Adjacent sequences: A046075 A046076 A046077 this_sequence A046079 A046080 A046081`
	KEYWORD	`easy,nice,nonn`
	AUTHOR	`Felice Russo (felice.russo(AT)katamail.com)`
	EXTENSIONS	`Corrected and extended by Jud McCranie (j.mccranie(AT)comcast.net), Jan 03 2001`

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

AT&T Labs Research