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A292645 Rank of (6+r)*n when all the numbers (6-r)*j and (6+r)*k, where r = sqrt(2), j>=1, k>=1, are jointly ranked. 2
2, 5, 7, 10, 13, 15, 18, 20, 23, 26, 28, 31, 34, 36, 39, 41, 44, 47, 49, 52, 54, 57, 60, 62, 65, 68, 70, 73, 75, 78, 81, 83, 86, 88, 91, 94, 96, 99, 102, 104, 107, 109, 112, 115, 117, 120, 122, 125, 128, 130, 133, 136, 138, 141, 143, 146, 149, 151, 154, 157 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Clark Kimberling, Table of n, a(n) for n = 1..1000

MATHEMATICA

z = 120; r = 6 - Sqrt[2]; s = 6 + Sqrt[2];

Table[n + Floor[n*r/s], {n, 1, z}]  (* A292644 *)

Table[n + Floor[n*s/r], {n, 1, z}]  (* A292645 *)

PROG

(PARI) vector(100, n, n+floor(n*(6+sqrt(2))/(6-sqrt(2)))) \\ G. C. Greubel, Aug 20 2018

(MAGMA) [n+Floor(n*(6+Sqrt(2))/(6-Sqrt(2))): n in [1..100]]; // G. C. Greubel, Aug 20 2018

CROSSREFS

Cf. A292644 (complement).

Sequence in context: A026340 A018717 A188036 * A001950 A090909 A022841

Adjacent sequences:  A292642 A292643 A292644 * A292646 A292647 A292648

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Sep 26 2017

STATUS

approved

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Last modified May 24 06:53 EDT 2019. Contains 323529 sequences. (Running on oeis4.)