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A175268 a(n)=floor(2^sqrt(n)). 1
1, 2, 2, 3, 4, 4, 5, 6, 7, 8, 8, 9, 11, 12, 13, 14, 16, 17, 18, 20, 22, 23, 25, 27, 29, 32, 34, 36, 39, 41, 44, 47, 50, 53, 56, 60, 64, 67, 71, 75, 80, 84, 89, 94, 99, 104, 110, 115, 121, 128, 134, 141, 148, 155, 162, 170, 178, 187, 196, 205, 214, 224, 234, 245, 256, 267 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..65.

EXAMPLE

a(0)=floor(2^sqrt(0))=floor(2^0)=1,

a(1)=floor(2^sqrt(1))=floor(2)=2,

a(2)=floor(2^sqrt(2))=floor(2.665)=2.

MATHEMATICA

Floor[2^Sqrt[Range[0, 70]]] (* Harvey P. Dale, Aug 03 2016 *)

CROSSREFS

Cf. A134886 a(n)=floor(n^sqrt(2)).

Sequence in context: A281957 A103354 A127038 * A241948 A051068 A050294

Adjacent sequences:  A175265 A175266 A175267 * A175269 A175270 A175271

KEYWORD

nonn

AUTHOR

Zak Seidov, Mar 18 2010

STATUS

approved

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Last modified March 28 02:00 EDT 2017. Contains 284182 sequences.