id:A163628 - OEIS Search Results

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Integers such that the two adjacent integers are a prime and three times a prime.

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8, 10, 14, 16, 20, 22, 32, 38, 40, 52, 58, 68, 70, 88, 110, 112, 128, 130, 140, 158, 178, 182, 200, 212, 238, 250, 268, 292, 308, 310, 338, 380, 382, 410, 418, 448, 488, 490, 500, 502, 520, 542, 572, 578, 592, 598, 632, 682, 700, 718, 752, 770, 772, 788, 808 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Union[3A023208 + 1, 3A088878 - 1]. [From Zak Seidov (zakseidov(AT)yahoo.com), Aug 07 2009]`
	EXAMPLE	`a(1)=8 which lies between 7=A000040(4) and 9 = A001748(2).` `a(2)=10 which lies between 9=A001748(2) and 11 = A000040(5).`
	CROSSREFS	`Cf. A000040, A163492.` `Sequence in context: A076639 A100319 A167692 this_sequence A060864 A087695 A134321` `Adjacent sequences: A163625 A163626 A163627 this_sequence A163629 A163630 A163631`
	KEYWORD	`nonn`
	AUTHOR	`Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Aug 02 2009`
	EXTENSIONS	`Many terms like 44, 46, 62 etc. removed by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 06 2009`

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

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