A014250 - OEIS

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A014250

a(n) = b(n) - c(n) where b(n) = [ (3/2)^n ] and c(n) is the n-th number not in sequence b.

-3, -4, -5, -4, -3, -1, 4, 11, 23, 41, 68, 110, 174, 270, 415, 633, 961, 1451, 2189, 3297, 4958, 7451, 11191, 16802, 25218, 37842, 56780, 85186, 127797, 191712, 287586, 431398, 647117, 970696, 1456065, 2184119, 3276200, 4914322

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OFFSET

1,1

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..1000

MATHEMATICA

m:=40; c:= Complement[Range[2*m], Floor[(3/2)^Range[2*m]]]; Table[Floor[(3/2)^n] - c[[n]], {n, m}] (* G. C. Greubel, Jun 19 2019 *)

CROSSREFS

Cf. A002379.

Sequence in context: A072006 A014238 A275719 * A155078 A332420 A115051

Adjacent sequences: A014247 A014248 A014249 * A014251 A014252 A014253

KEYWORD

sign

AUTHOR

Clark Kimberling

EXTENSIONS

a(38) corrected by Sean A. Irvine, Oct 17 2018

STATUS

approved