id:A087861 - OEIS Search Results

Search: id:A087861

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Primes of the form 16m^2+81 m=1,2,3..

+0
2

97, 337, 2017, 3217, 4177, 5857, 6481, 13537, 19681, 33937, 48481, 59617, 65617, 80737, 87697, 102481, 144481, 160081, 173137, 211681, 226657, 246097, 296017, 355297, 384481, 457057, 462481, 524257, 541777, 547681, 583777, 602257, 698977 (list; graph; listen)

	OFFSET	`1,1`
	PROGRAM	`(PARI) fourmp1(m, n) = { forstep(x=1, m, 1, y=16(x^2+n^2)+8n+1; if(isprime(y), print1(y", ")) ) }`
	CROSSREFS	`Sequence in context: A142455 A140627 A142631 this_sequence A105128 A031927 A050666` `Adjacent sequences: A087858 A087859 A087860 this_sequence A087862 A087863 A087864`
	KEYWORD	`nonn`
	AUTHOR	`Cino Hilliard (hillcino368(AT)gmail.com), Oct 09 2003`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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