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Search: id:A099985
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A099985 Bisection of A007947. +0
1
2, 2, 6, 2, 10, 6, 14, 2, 6, 10, 22, 6, 26, 14, 30, 2, 34, 6, 38, 10, 42, 22, 46, 6, 10, 26, 6, 14, 58, 30, 62, 2, 66, 34, 70, 6, 74, 38, 78, 10, 82, 42, 86, 22, 30, 46, 94, 6, 14, 10, 102, 26, 106, 6, 110, 14, 114, 58, 118, 30, 122, 62, 42, 2, 130, 66, 134, 34, 138, 70, 142, 6 (list; graph; listen)
OFFSET

1,1

MAPLE

with(numtheory): A007947 := proc(n) local i, t1, t2; t1 :=ifactors(n)[2]; t2 := mul(t1[i][1], i=1..nops(t1)); end: seq(A007947(2*n), n=1..78); (Deutsch)

CROSSREFS

Sequence in context: A071052 A096869 A154009 this_sequence A110765 A091818 A071223

Adjacent sequences: A099982 A099983 A099984 this_sequence A099986 A099987 A099988

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Nov 19 2004

EXTENSIONS

More terms from Emeric Deutsch (deutsch(AT)duke.poly.edu), Dec 15 2004

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


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