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A292643
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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.
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2
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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
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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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 *)
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PROG
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(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
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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