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Search: id:A114743
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A114743 a(1) =4, a(2) = 6, a(n+1) = least composite number of the form k*(a(n-1)) - a(n), not included earlier. +0
4
4, 6, 10, 8, 12, 20, 16, 24, 40, 32, 48, 80 (list; graph; listen)
OFFSET

1,1

COMMENT

a(3n+1) = 2*a(3n-2)= 2^(n+2). a(3n+2) = 2*a(3n-1). = 3*2^(n+1). a(3n+3) = 2*a(3n). =5*2^(n).

CROSSREFS

Sequence in context: A115655 A084350 A028279 this_sequence A089546 A117622 A129854

Adjacent sequences: A114740 A114741 A114742 this_sequence A114744 A114745 A114746

KEYWORD

more,nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 15 2005

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


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