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A114407 7-almost prime gaps. First differences of A046308. 1
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; refs; listen; history; internal format)
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: A119894 A138667 A176819 * A114417 A046305 A114828

Adjacent sequences:  A114404 A114405 A114406 * 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 February 16 12:41 EST 2012. Contains 205909 sequences.