id:A108727 - OEIS Search Results

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Numbers n such that 11*n + 31 is prime.

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0, 2, 6, 12, 18, 20, 26, 32, 38, 56, 60, 66, 72, 80, 86, 90, 96, 98, 102, 116, 122, 128, 132, 138, 140, 146, 156, 168, 170, 180, 188, 192, 206, 210, 222, 228, 240, 242, 252, 266, 270, 272, 276, 278, 290, 300, 312, 318, 326, 336, 342, 350, 356, 362, 366, 368, 380 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`If n=0, then 11n + 31 = 31 (prime).` `If n=56, then 11n + 31 = 647 (prime).`
	MAPLE	`a:=proc(n) if isprime(11*n+31)=true then n else fi end: seq(a(n), n=0..450); (Deutsch)`
	CROSSREFS	`Cf. A108233.` `Sequence in context: A053457 A154030 A055560 this_sequence A138630 A026229 A043343` `Adjacent sequences: A108724 A108725 A108726 this_sequence A108728 A108729 A108730`
	KEYWORD	`nonn`
	AUTHOR	`Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Jun 21 2005`
	EXTENSIONS	`More terms from Emeric Deutsch (deutsch(AT)duke.poly.edu), Jun 26 2005`

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

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