id:A067930 - OEIS Search Results

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composite solutions to n==-1 (mod phi(n+1)).

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1, 15, 35, 63, 95, 143, 161, 215, 255, 287, 323, 485, 511, 575, 767, 1023, 1295, 1457, 1535, 1727, 1943, 2047, 2303, 2915, 3071, 3455, 3887, 4095, 4607, 5183, 5831, 7775, 9215, 10367, 11663, 12287, 13823, 16383, 17495, 18431, 20735, 24575, 26243 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`odd terms in A005105(n) are primes solutions to p==-1 (mod phi(p+1))`
	CROSSREFS	`Cf. A005105.` `Adjacent sequences: A067927 A067928 A067929 this_sequence A067931 A067932 A067933` `Sequence in context: A108668 A063532 A090196 this_sequence A098271 A082663 A109068`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 22 2002`

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.

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