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Search: id:A078161
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A078161 a(n)=A051201[2^n]. +0
5
3, 7, 15, 39, 87, 200, 438, 981, 2135, 4639, 9971, 21424, 45699, 97096, 205563, 433895, 913244, 1917491, 4016704, 8397235, 8397235, 36497171, 75900377, 157619705, 326868209 (list; graph; listen)
OFFSET

1,1

MATHEMATICA

Table[ Apply[ Plus, Union[ Table[ Floor[2^w/j], {j, 1, 2^w}]]], {w, 1, 25}]

CROSSREFS

Cf. A051201, A078159, A078160 & A078162.

Sequence in context: A007576 A018020 A147106 this_sequence A146033 A147188 A050565

Adjacent sequences: A078158 A078159 A078160 this_sequence A078162 A078163 A078164

KEYWORD

nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu), Nov 27 2002

EXTENSIONS

Extended by Robert G. Wilson v (rgwv(AT)rgwv.com), Dec 02 2002

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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