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A190209 Positions of 1 in A190207; complement of A190208. 3
1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 15, 17, 18, 20, 21, 23, 26, 29, 34, 37, 43, 44, 46, 47, 48, 49, 50, 51, 52, 54, 55, 57, 58, 60, 63, 65, 66, 68, 71, 74, 82, 85, 86, 87, 88, 89, 91, 92, 94, 95, 96, 97, 99, 100, 102, 103, 105, 108, 111, 113, 116, 119, 128, 129, 130, 131, 132, 133, 134, 136, 137, 139, 140, 142, 144, 145, 147, 148, 150 (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 = 7^(1/2); v = 1/u;

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

t = Table[f[n], {n, 1, 120}] (* A190207 *)

Flatten[Position[t, 0]]      (* A190208 *)

Flatten[Position[t, 1]]      (* A190209 *)

CROSSREFS

Cf. A190207, A190208.

Sequence in context: A165737 A033104 A191325 * A048856 A067175 A225804

Adjacent sequences:  A190206 A190207 A190208 * A190210 A190211 A190212

KEYWORD

nonn

AUTHOR

Clark Kimberling, May 05 2011

STATUS

approved

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Last modified August 20 01:14 EDT 2019. Contains 326136 sequences. (Running on oeis4.)