cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

Showing 1-2 of 2 results.

A292661 Rank of n*sqrt(3) when all the numbers h*sqrt(2), j*sqrt(3), k*sqrt(5), for h>=1, j>=1, k>=1, are jointly ranked.

Original entry on oeis.org

2, 5, 8, 11, 14, 17, 20, 23, 26, 29, 32, 35, 38, 41, 44, 47, 50, 53, 56, 59, 62, 65, 68, 71, 74, 77, 80, 83, 86, 89, 92, 95, 98, 101, 104, 107, 110, 113, 116, 118, 122, 125, 128, 131, 134, 137, 140, 143, 146, 149, 152, 155, 158, 161, 164, 167, 170, 173, 176
Offset: 1

Views

Author

Clark Kimberling, Sep 28 2017

Keywords

Comments

This sequence together with A292660 and A292662 partition the set of positive integers.

Links

Crossrefs

Cf. A292661, A292663.

Programs

  • Mathematica
    z = 120; r = Sqrt[2]; s = Sqrt[3]; t = Sqrt[5];
Table[n + Floor[n*r/s] + Floor[n*r/t], {n, 1, z}]  (* A292660 *)
Table[n + Floor[n*s/r] + Floor[n*s/t], {n, 1, z}]  (* A292661 *)
Table[n + Floor[n*t/r] + Floor[n*t/s], {n, 1, z}]  (* A292662 *)

A292664 Rank of n*e when all the numbers j*(e+1) and k*e, for j>=1, k>=1, are jointly ranked.

Original entry on oeis.org

2, 5, 7, 10, 12, 15, 18, 20, 23, 25, 28, 30, 33, 36, 38, 41, 43, 46, 49, 51, 54, 56, 59, 61, 64, 67, 69, 72, 74, 77, 80, 82, 85, 87, 90, 92, 95, 98, 100, 103, 105, 108, 111, 113, 116, 118, 121, 123, 126, 129, 131, 134, 136, 139, 142, 144, 147, 149, 152, 154
Offset: 1

Views

Author

Clark Kimberling, Sep 29 2017

Keywords

Links

Crossrefs

Cf. A292663 (complement).

Programs

  • Mathematica
    z = 120; r = E - 1; s = E;;
Table[n + Floor[n*r/s], {n, 1, z}]  (* A292663 *)
Table[n + Floor[n*s/r], {n, 1, z}]  (* A292664 *)
Showing 1-2 of 2 results.

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