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A113752 Smallest number m such that m, m+1 and m+2 have exactly n prime factors (counted with multiplicity). +0
1
33, 170, 1274, 15470, 33614, 3145310, 40909374, 668363967, 9864741248, 179199427328 (list; graph; listen)
OFFSET

2,1

COMMENT

n = A001222(a(n)) = A001222(a(n)+1) = A001222(a(n)+2). Subsequence of A045920.

EXAMPLE

a(6) = 33614 = 2*7*7*7*7*7, a(6)+1 = 3*3*3*3*5*83, a(6)+2 = 2*2*2*2*11*191

CROSSREFS

Cf. A001222, A045920, A093549, A093550, A115186.

Sequence in context: A007260 A005904 A086504 this_sequence A155883 A071914 A046142

Adjacent sequences: A113749 A113750 A113751 this_sequence A113753 A113754 A113755

KEYWORD

more,nonn

AUTHOR

Martin Fuller (martin_n_fuller(AT)btinternet.com), Jan 17 2006

EXTENSIONS

a(9)-a(11) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Apr 08 2008

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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