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A175269 a(n)=floor(2^sqrt(n))-floor(n^sqrt(2)) 0
1, 1, 0, -1, -3, -5, -7, -9, -11, -14, -17, -20, -22, -25, -28, -32, -34, -37, -41, -44, -47, -51, -54, -57, -60, -62, -66, -69, -72, -75, -78, -81, -84, -87, -90, -92, -94, -98, -100, -102, -104, -106, -108, -110, -111, -113, -114, -116, -117, -117, -118 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,5

LINKS

Table of n, a(n) for n=0..50.

MATHEMATICA

Table[Floor[2^Sqrt[n]] - Floor[n^Sqrt[2]], {n, 0, 100}]

CROSSREFS

Cf. A134886, A175268.

Sequence in context: A134917 A066665 A278451 * A279539 A174059 A268292

Adjacent sequences:  A175266 A175267 A175268 * A175270 A175271 A175272

KEYWORD

sign

AUTHOR

Zak Seidov, Mar 18 2010

STATUS

approved

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Last modified March 25 11:34 EDT 2017. Contains 284076 sequences.