A188295 - OEIS

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A188295

[nr]-[nr-r], where r=1/sqrt(2), [ ]=floor.

0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0

(list; graph; refs; listen; history; text; internal format)

OFFSET

COMMENTS

See A188014.

These are the first differences of A049472, so a(n) = A080764(n-2). - R. J. Mathar, Apr 19 2011

LINKS

Table of n, a(n) for n=1..123.

FORMULA

a(n)=[nr]-[r(n-1)], where r=1/sqrt(2), [nr] = A049472(n).

MATHEMATICA

r=2^(-1/2)); k=1;

t=Table[Floor[n*r]-Floor[(n-k)*r]-Floor[k*r], {n, 1, 220}] (*A188295*)