id:A114407 - OEIS Search Results

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7-almost prime gaps. First differences of A046308.

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64, 96, 32, 112, 16, 32, 168, 24, 32, 16, 80, 32, 140, 36, 48, 24, 8, 32, 80, 16, 32, 210, 14, 40, 56, 16, 36, 12, 48, 80, 40, 24, 32, 16, 112, 16, 80, 107, 21, 60, 84, 16, 8, 54, 18, 16, 56, 104, 16, 60, 20, 16, 16, 32, 16, 8, 104, 64, 24, 8, 32, 80, 192, 80, 10, 126, 24, 12 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n) = A046308(n+1) - A046308(n).`
	EXAMPLE	`a(1) = 64 = 192-128 where 128 is the first 7-almost prime and 192 is the second.` `a(2) = 96 = 288-192.` `a(3) = 32 = 320-288.` `a(4) = 112 = 432-320.` `a(5) = 16 = 448-432.` `a(6) = 32 = 480-448.` `a(7) = 168 = 648-480.` `a(8) = 24 = 672-648.`
	CROSSREFS	`Cf. A046308, A065516, A111870, A111871, A114403-A114411, A114412-A114422.` `Sequence in context: A008435 A119894 A138667 this_sequence A114417 A046305 A114828` `Adjacent sequences: A114404 A114405 A114406 this_sequence A114408 A114409 A114410`
	KEYWORD	`easy,nonn`
	AUTHOR	`Jonathan Vos Post (jvospost3(AT)gmail.com), Nov 25 2005`
	EXTENSIONS	`Corrected and extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 31 2007`

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.

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