A108854 - OEIS

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A108854

Numbers n such that 10*n - 127 is prime.

13, 14, 15, 17, 18, 20, 21, 23, 24, 29, 30, 32, 35, 36, 39, 41, 42, 44, 48, 50, 51, 56, 57, 59, 63, 65, 69, 72, 74, 77, 78, 80, 81, 86, 87, 90, 95, 98, 99, 101, 108, 111, 114, 116, 119, 122, 123, 125, 128, 129, 132, 134, 135, 141, 143, 150, 155, 156, 158, 161, 162 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	EXAMPLE	`If n=13 then 10n - 127 = 3 (prime).` `If n=39 then 10n - 127 = 263 (prime).`
	MAPLE	`a:=proc(n) if isprime(10*n-127)=true then n else fi end: seq(a(n), n=0..200); (Deutsch)`
	CROSSREFS	`Sequence in context: A132580 A138596 A118140 * A106007 A048037 A171492` `Adjacent sequences: A108851 A108852 A108853 * A108855 A108856 A108857`
	KEYWORD	`nonn`
	AUTHOR	`Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Jul 11 2005`
	EXTENSIONS	`More terms from Emeric Deutsch (deutsch(AT)duke.poly.edu), Jul 18 2005`

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Last modified February 17 19:13 EST 2012. Contains 206085 sequences.