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A046287 2^a(n) contains 2^1=2 as largest proper substring of form 2^k (probably finite). +0
2
5, 8, 9, 17, 21 (list; graph; listen)
OFFSET

0,1
CROSSREFS

Cf. A033921.

Sequence in context: A072833 A047616 A045221 this_sequence A051220 A102785 A127493

Adjacent sequences: A046284 A046285 A046286 this_sequence A046288 A046289 A046290

KEYWORD

nonn,base

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), Jun 15 1998.

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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