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A190247 Positions of 1 in A190245; complement of A190246. 3
1, 2, 6, 7, 9, 12, 13, 14, 18, 19, 21, 24, 25, 26, 30, 31, 33, 35, 36, 38, 41, 42, 43, 47, 48, 50, 53, 54, 55, 59, 60, 62, 65, 66, 67, 70, 71, 72, 76, 77, 79, 82, 83, 84, 88, 89, 91, 94, 95, 96, 100, 101, 105, 106, 108, 111, 112, 113, 117, 118, 120, 123, 124, 125, 129, 130, 132, 135, 137, 140, 141, 142, 146, 147, 149, 152, 153, 154, 158 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..5500

MATHEMATICA

u = 2^(1/2); v = 2u;

f[n_] := Floor[n*u + n*v] - Floor[n*u] - Floor[n*v]

t = Table[f[n], {n, 1, 120}] (*A190245*)

Flatten[Position[t, 0]]      (*A190246*)

Flatten[Position[t, 1]]      (*A190247*)

CROSSREFS

Cf. A190245, A190246.

Sequence in context: A278999 A190784 A061416 * A020897 A020898 A184779

Adjacent sequences:  A190244 A190245 A190246 * A190248 A190249 A190250

KEYWORD

nonn

AUTHOR

Clark Kimberling, May 06 2011

STATUS

approved

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Last modified September 18 12:00 EDT 2019. Contains 327170 sequences. (Running on oeis4.)