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Search: id:A160967
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A160967 Numbers of the form (4^k - 1)/3 or 2^k. +0
3
0, 1, 2, 4, 5, 8, 16, 21, 32, 64, 85, 128, 256, 341, 512, 1024, 1365, 2048, 4096, 5461, 8192, 16384, 21845, 32768, 65536, 87381, 131072, 262144, 349525, 524288, 1048576, 1398101, 2097152, 4194304, 5592405, 8388608, 16777216, 22369621, 33554432 (list; graph; listen)
OFFSET

0,3

COMMENT

A139391(a(n)) = 1 for n>0.

CROSSREFS

Union of A002450 and A000079.

Sequence in context: A085443 A164571 A105134 this_sequence A045591 A045581 A092061

Adjacent sequences: A160964 A160965 A160966 this_sequence A160968 A160969 A160970

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 31 2009

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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