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A292643 Rank of (5+r)*n when all the numbers (5-r)*j and (5+r)*k, where r = sqrt(2), j>=1, k>=1, are jointly ranked. 2
2, 5, 8, 11, 13, 16, 19, 22, 25, 27, 30, 33, 36, 39, 41, 44, 47, 50, 52, 55, 58, 61, 64, 66, 69, 72, 75, 78, 80, 83, 86, 89, 92, 94, 97, 100, 103, 105, 108, 111, 114, 117, 119, 122, 125, 128, 131, 133, 136, 139, 142, 145, 147, 150, 153, 156, 158, 161, 164 (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 = 5 - Sqrt[2]; s = 5 + Sqrt[2];

Table[n + Floor[n*r/s], {n, 1, z}]  (* A292642 *)

Table[n + Floor[n*s/r], {n, 1, z}]  (* A292643 *)

PROG

(PARI) vector(100, n, n+floor(n*(5+sqrt(2))/(5-sqrt(2)))) \\ G. C. Greubel, Aug 20 2018

(MAGMA) [n+Floor(n*(5+Sqrt(2))/(5-Sqrt(2))): n in [1..100]]; // G. C. Greubel, Aug 20 2018

CROSSREFS

Cf. A292642 (complement).

Sequence in context: A206911 A093609 A249118 * A140101 A141207 A190057

Adjacent sequences:  A292640 A292641 A292642 * A292644 A292645 A292646

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Sep 26 2017

STATUS

approved

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Last modified October 18 16:35 EDT 2021. Contains 348068 sequences. (Running on oeis4.)