A292637 - OEIS

A292637

Rank of (3+r)*n when all the numbers (3-r)*j and (3+r)*k, where r = sqrt(2), j>=1, k>=1, are jointly ranked.

3, 7, 11, 15, 18, 22, 26, 30, 34, 37, 41, 45, 49, 52, 56, 60, 64, 68, 71, 75, 79, 83, 87, 90, 94, 98, 102, 105, 109, 113, 117, 121, 124, 128, 132, 136, 139, 143, 147, 151, 155, 158, 162, 166, 170, 174, 177, 181, 185, 189, 192, 196, 200, 204, 208, 211, 215

(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 = 3 - Sqrt[2]; s = 3 + Sqrt[2];

Table[n + Floor[n*r/s], {n, 1, z}] (* A292636 *)

Table[n + Floor[n*s/r], {n, 1, z}] (* A292637 *)

PROG

(PARI) vector(100, n, n + floor(n*(3+sqrt(2))/(3-sqrt(2)))) \\ G. C. Greubel, Aug 20 2018

(Magma) [n + Floor(n*(3+Sqrt(2))/(3-Sqrt(2))): n in [1..100]]; // G. C. Greubel, Aug 20 2018