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A138005 Prime numbers n for which nontrivial cycles of the Ducci map do not all have the same length. 1
17, 41, 73, 97, 109, 113, 137 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..7.

CROSSREFS

Cf. A138004.

Sequence in context: A141174 A007519 A163185 * A267421 A166147 A028886

Adjacent sequences:  A138002 A138003 A138004 * A138006 A138007 A138008

KEYWORD

nonn,more

AUTHOR

T. D. Noe, Feb 26 2008

STATUS

approved

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Last modified June 25 10:10 EDT 2019. Contains 324351 sequences. (Running on oeis4.)