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A071190 Largest prime factor of sum of divisors of n. +0
7
1, 3, 2, 7, 3, 3, 2, 5, 13, 3, 3, 7, 7, 3, 3, 31, 3, 13, 5, 7, 2, 3, 3, 5, 31, 7, 5, 7, 5, 3, 2, 7, 3, 3, 3, 13, 19, 5, 7, 5, 7, 3, 11, 7, 13, 3, 3, 31, 19, 31, 3, 7, 3, 5, 3, 5, 5, 5, 5, 7, 31, 3, 13, 127, 7, 3, 17, 7, 3, 3, 3, 13, 37, 19, 31, 7, 3, 7, 5, 31 (list; graph; listen)
OFFSET

1,2

COMMENT

a(n) = A006530(A000203(n)).

CROSSREFS

Cf. A071189, A071188.

Sequence in context: A071189 A137822 A099378 this_sequence A057020 A075270 A067872

Adjacent sequences: A071187 A071188 A071189 this_sequence A071191 A071192 A071193

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), May 15 2002

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


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