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Search: id:A116919
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A116919 a(0)=1. a(n) = A006530(a(n-1)) + n. +0
2
1, 2, 4, 5, 9, 8, 8, 9, 11, 20, 15, 16, 14, 20, 19, 34, 33, 28, 25, 24, 23, 44, 33, 34, 41, 66, 37, 64, 30, 34, 47, 78, 45, 38, 53, 88, 47, 84, 45, 44, 51, 58, 71, 114, 63, 52, 59, 106, 101, 150, 55, 62, 83, 136, 71, 126, 63, 64, 60, 64, 62 (list; graph; listen)
OFFSET

0,2

MATHEMATICA

a={1, 2, 4}; For[n=3, n<=60, n++, b=n+FactorInteger[a[[n]]][[ -1, 1]]; AppendTo[a, b]]; a - Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), May 18 2007

CROSSREFS

Cf. A006530.

Sequence in context: A011341 A116477 A116920 this_sequence A111490 A079784 A072795

Adjacent sequences: A116916 A116917 A116918 this_sequence A116920 A116921 A116922

KEYWORD

nonn

AUTHOR

Leroy Quet (qq-quet(AT)mindspring.com), Feb 26 2006

EXTENSIONS

More terms from Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), May 18 2007

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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