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A023405 If any power of 2 ends with k 4's and 9's, they must be the first k elements of this sequence in reverse order. +0
2
4, 4, 9, 4, 9, 9, 4, 9, 4, 9, 4, 4, 9, 9, 4, 9, 4, 9, 9, 9, 4, 4, 4, 4, 9, 4, 4, 4, 4, 9, 9, 9, 9, 4, 9, 4, 4, 9, 9, 4, 4, 9, 9, 4, 9, 4, 4, 9, 4, 9, 4, 9, 4, 4, 4, 4, 4, 4, 9, 9, 9, 9, 4, 9, 4, 4, 4, 9, 9, 4, 4, 9, 4, 4, 9, 9, 4, 4, 9, 9, 9, 4, 9, 9, 9, 9, 9, 9, 4, 4, 9, 4, 4, 9, 9, 9, 9, 9, 9, 4, 4, 4, 9, 9, 4, 4, 4, 4 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A097667 A019627 A137617 this_sequence A035116 A088613 A049723

Adjacent sequences: A023402 A023403 A023404 this_sequence A023406 A023407 A023408

KEYWORD

nonn

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

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Last modified September 5 19:27 EDT 2008. Contains 143485 sequences.


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