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A023399 If any power of 2 ends with k 2's and 7's, they must be the first k elements of this sequence in reverse order. +0
2
2, 7, 2, 2, 2, 2, 7, 2, 7, 2, 7, 7, 7, 7, 2, 2, 7, 2, 7, 2, 7, 7, 2, 7, 7, 2, 7, 2, 7, 7, 2, 2, 2, 2, 7, 2, 7, 2, 7, 2, 2, 2, 7, 7, 7, 7, 2, 2, 7, 7, 7, 2, 7, 2, 2, 7, 7, 7, 7, 2, 7, 7, 2, 7, 7, 2, 7, 7, 7, 7, 7, 2, 2, 7, 2, 7, 7, 7, 7, 7, 2, 2, 7, 7, 2, 2, 7, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 2, 7, 2, 7, 7, 2, 7 (list; graph; listen)
OFFSET

0,1

CROSSREFS

Adjacent sequences: A023396 A023397 A023398 this_sequence A023400 A023401 A023402

Sequence in context: A095711 A102886 A072981 this_sequence A082072 A082066 A130335

KEYWORD

nonn

AUTHOR

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

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.


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