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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. 1
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; refs; listen; history; internal format)
OFFSET

0,1

CROSSREFS

Sequence in context: A102886 A204382 A072981 * A195476 A082072 A082066

Adjacent sequences:  A023396 A023397 A023398 * A023400 A023401 A023402

KEYWORD

nonn

AUTHOR

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

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Last modified February 17 18:28 EST 2012. Contains 206067 sequences.