id:A082815 - OEIS Search Results

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Consider primes p with a unique representation p = x^2 + y^2, where x is least primitive root of p. a(n) is the first such prime with x increasing in the sequence, x can be found in A082816.

+0
3

2, 5, 3061, 398261, 2387221, 8935021, 514613581 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`A082842 includes all numbers having primitive roots.`
	EXAMPLE	`398261 = 10^2 + 631^2 and 10 is least primitive root of 398261.`
	CROSSREFS	`Cf. A002313, A082816, A082842.` `Sequence in context: A101341 A079014 A082973 this_sequence A115893 A057678 A090071` `Adjacent sequences: A082812 A082813 A082814 this_sequence A082816 A082817 A082818`
	KEYWORD	`nonn`
	AUTHOR	`Sven Simon (sven-h.simon(AT)t-online.de), May 24 2003`

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

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