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A292644 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
1, 3, 4, 6, 8, 9, 11, 12, 14, 16, 17, 19, 21, 22, 24, 25, 27, 29, 30, 32, 33, 35, 37, 38, 40, 42, 43, 45, 46, 48, 50, 51, 53, 55, 56, 58, 59, 61, 63, 64, 66, 67, 69, 71, 72, 74, 76, 77, 79, 80, 82, 84, 85, 87, 89, 90, 92, 93, 95, 97, 98, 100, 101, 103, 105 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
First differs from A000201 at a(55) = 89 <> 88. - Peter Munn, Aug 27 2022
LINKS
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. A000201, A292645 (complement).
Equivalent sequences with 6 replaced in the definition by m: A292636 (m=3), A292640 (m=4), A292642 (m=5).
Sequence in context: A066096 A000201 A090908 * A000202 A188035 A026339
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Sep 26 2017
STATUS
approved

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Last modified March 28 12:26 EDT 2024. Contains 371254 sequences. (Running on oeis4.)