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A206909 Position of 2n+cos(n) when the sets {2k+cos(k)} and {2k+sin(k)} are jointly ranked. 2
1, 3, 5, 8, 10, 12, 14, 15, 17, 19, 22, 24, 26, 27, 29, 31, 34, 36, 38, 39, 41, 43, 46, 48, 50, 51, 53, 55, 57, 60, 62, 64, 65, 67, 69, 72, 74, 76, 77, 79, 81, 84, 86, 88, 89, 91, 93, 96, 98, 100, 102, 103, 105, 107, 110, 112, 114, 115, 117, 119, 122, 124, 126 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..63.

MATHEMATICA

f[n_] := N[2 n + Cos[n]];

g[n_] := N[2 n + Sin[n]]; z = 120;

c = Table[f[n], {n, 1, z}];

s = Table[g[n], {n, 1, z}];

j = Sort[Union[c, s]];

p[n_] := Position[j, f[n]];

q[n_] := Position[j, g[n]];

Flatten[Table[p[n], {n, 1, z}]] (* A206909 *)

Flatten[Table[q[n], {n, 1, z}]] (* A206910 *)

CROSSREFS

Cf. A206910.

Sequence in context: A073608 A155945 A096985 * A138829 A003265 A193714

Adjacent sequences:  A206906 A206907 A206908 * A206910 A206911 A206912

KEYWORD

nonn

AUTHOR

Clark Kimberling, Feb 13 2012

STATUS

approved

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Last modified October 28 17:59 EDT 2021. Contains 348329 sequences. (Running on oeis4.)