id:A153767 - OEIS Search Results

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Numbers n such that n and 8n-9 are both prime

+0
2

2, 5, 7, 11, 17, 29, 31, 47, 59, 61, 109, 131, 137, 139, 167, 179, 181, 197, 199, 229, 251, 269, 277, 281, 307, 337, 347, 367, 379, 397, 419, 421, 449, 467, 479, 491, 521, 557, 599, 601, 619, 631, 641, 647, 661, 677, 691, 719, 727, 739, 757, 761, 769, 787, 797 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`For n=31, 8n-9=239; n=181, 8n-9=1439`
	CROSSREFS	`Cf. A153766` `Sequence in context: A106008 A138244 A019396 this_sequence A038973 A045349 A163695` `Adjacent sequences: A153764 A153765 A153766 this_sequence A153768 A153769 A153770`
	KEYWORD	`nonn`
	AUTHOR	`Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Jan 01 2009`
	EXTENSIONS	`4 removed, extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 07 2009`

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Last modified March 19 13:18 EDT 2010. Contains 173632 sequences.

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