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Search: id:A129133
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A129133 (c,n) is the n-th number for which the Esucarys sequence starting from it reachs 247 and from there keeps indefinitely this value. +0
1
247, 1247, 1484, 2473, 5738, 7318 (list; graph; listen)
OFFSET

1,1

EXAMPLE

For c < 1247 none sequence starting from c except 247 itself reachs 247

S(1247)=2473 then E(1247) = 3742

S(3742)=7420 then E(3742) = 247 then (c,1) = 247 and (c,2) = 1247

CROSSREFS

Cf. A006577, A129121.

Sequence in context: A063356 A127349 A051153 this_sequence A001243 A048901 A065146

Adjacent sequences: A129130 A129131 A129132 this_sequence A129134 A129135 A129136

KEYWORD

easy,nonn,uned

AUTHOR

Philippe LALLOUET (philip.lallouet(AT)wanadoo.fr), May 25 2007

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.


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