id:A067267 - OEIS Search Results

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n, 10*n+1, 10*n+3, 10*n+7 and 10*n+9 are all prime.

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19, 6949, 10111, 15727, 20149, 24799, 26041, 26881, 29587, 29947, 40213, 41203, 44257, 46747, 47701, 49057, 50023, 51061, 55921, 66109, 66643, 73939, 76819, 79579, 95947, 106501, 110083, 111781, 112213, 114679 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(1)=19 because 191, 193, 197 and 199 are all prime.`
	CROSSREFS	`Cf. A007811.` `Sequence in context: A125197 A099809 A013724 this_sequence A124989 A093400 A110392` `Adjacent sequences: A067264 A067265 A067266 this_sequence A067268 A067269 A067270`
	KEYWORD	`nonn`
	AUTHOR	`Sudipta Das (juitech(AT)vsnl.net), Feb 21 2002`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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