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Search: id:A002042
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A002042 7*4^n. +0
4
7, 28, 112, 448, 1792, 7168, 28672, 114688, 458752, 1835008, 7340032, 29360128, 117440512, 469762048, 1879048192, 7516192768, 30064771072, 120259084288, 481036337152, 1924145348608, 7696581394432 (list; graph; listen)
OFFSET

0,1

COMMENT

Subsequence of A000069, the odious numbers. - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Aug 26 2007

LINKS

Tanya Khovanova, Recursive Sequences

CROSSREFS

First differences of A083597. Bisection of A005009.

Sequence in context: A000416 A000417 A026642 this_sequence A037597 A037702 A054626

Adjacent sequences: A002039 A002040 A002041 this_sequence A002043 A002044 A002045

KEYWORD

nonn

AUTHOR

njas

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Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.


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