id:A105133 - OEIS Search Results

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Numbers n such that 8n+5 is prime.

+0
11

0, 1, 3, 4, 6, 7, 12, 13, 18, 19, 21, 22, 24, 28, 33, 34, 36, 39, 43, 46, 48, 49, 52, 57, 63, 67, 69, 76, 81, 82, 84, 87, 88, 91, 94, 96, 99, 102, 103, 106, 109, 117, 124, 126, 127, 132, 133, 136, 138, 139, 147, 151, 153, 154, 159, 162, 171, 172, 178, 181, 186, 193, 199, 201, 202 (list; graph; listen)

	OFFSET	`1,3`
	MAPLE	`M:=500; f:=proc(n) local t1, t2; t1:=[]; for k from 0 to M do t2:=2^n*k+2^(n-1)+1; if isprime(t2) then t1:=[op(t1), k]; fi; od; t1; end; f(3);`
	CROSSREFS	`Cf. A095278, A105134-A105140, A002145, A007521, A105126-A105132.` `Sequence in context: A089161 A060965 A033162 this_sequence A002982 A093707 A058639` `Adjacent sequences: A105130 A105131 A105132 this_sequence A105134 A105135 A105136`
	KEYWORD	`nonn`
	AUTHOR	`njas, based on correspondence from Marco Matosic (marcomatosic(AT)hotmail.com), Apr 11 2005`

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

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