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A190231 Positions of 0 in A190230; complement of A190232. 3
7, 10, 11, 13, 14, 15, 17, 18, 19, 20, 23, 26, 30, 33, 34, 36, 37, 38, 39, 40, 46, 49, 52, 53, 56, 57, 59, 60, 61, 65, 68, 69, 72, 73, 75, 76, 78, 79, 80, 81, 88, 91, 92, 94, 95, 96, 98, 99, 101, 102, 107, 111, 114, 115, 117, 118, 119, 120, 121, 122, 123, 130, 133, 134, 136, 137, 138, 140, 141, 142, 143, 146, 149, 153, 156, 157, 159, 160 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..5450

MATHEMATICA

u = Sin[2Pi/5]; v = Cos[2Pi/5];

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

t = Table[f[n], {n, 1, 120}] (* A190230 *)

Flatten[Position[t, 0]]      (* A190231 *)

Flatten[Position[t, 1]]      (* A190232 *)

CROSSREFS

Cf. A190230, A190232.

Sequence in context: A168158 A278738 A060228 * A191875 A194418 A094764

Adjacent sequences:  A190228 A190229 A190230 * A190232 A190233 A190234

KEYWORD

nonn

AUTHOR

Clark Kimberling, May 06 2011

STATUS

approved

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Last modified November 26 07:49 EST 2020. Contains 338632 sequences. (Running on oeis4.)