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.

A184909 a(n) = n + floor(n*s/r) + floor(n*t/r), where r=2^(1/5), s=r^2, t=r^3.

Original entry on oeis.org

3, 6, 9, 13, 16, 19, 24, 27, 30, 34, 37, 40, 44, 48, 51, 55, 58, 61, 65, 68, 72, 76, 79, 82, 85, 89, 93, 96, 100, 103, 106, 110, 113, 117, 121, 124, 127, 131, 134, 137, 142, 145, 148, 152, 155, 158, 162, 166, 169, 172, 176, 179, 182, 187, 190, 193, 197, 200, 203, 207
Offset: 1

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Author

Clark Kimberling, Jan 25 2011

Keywords

Crossrefs

Programs

  • Mathematica
    r = 2^(1/5); s = r^2; t = r^3;
    a[n_] := n + Floor[n*s/r] + Floor[n*t/r];
    b[n_] := n + Floor[n*r/s] + Floor[n*t/s];
    c[n_] := n + Floor[n*r/t] + Floor[n*s/t];
    Table[a[n], {n, 1, 120}]  (* A184909 *)
    Table[b[n], {n, 1, 120}]  (* A184910 *)
    Table[c[n], {n, 1, 120}]  (* A184911 *)
    (* Clark Kimberling, Jan 18 2025 *)

Extensions

Definition in name corrected by Clark Kimberling, Jan 18 2025

A184911 a(n) = n + floor(n*r/t) + floor(n*s/t) with r = 2^(1/5), s = r^2, t = r^3.

Original entry on oeis.org

1, 4, 7, 10, 12, 15, 18, 20, 22, 25, 28, 31, 33, 36, 39, 41, 43, 46, 49, 52, 54, 57, 60, 62, 64, 67, 70, 73, 75, 78, 80, 83, 86, 88, 91, 94, 97, 99, 101, 104, 107, 109, 112, 115, 118, 120, 122, 125, 128, 130, 133, 136, 139, 141, 143, 146, 149, 151, 154, 157, 160, 161
Offset: 1

Views

Author

Clark Kimberling, Jan 25 2011

Keywords

Crossrefs

Extensions

Name corrected by Alois P. Heinz, Jan 19 2025
Showing 1-2 of 2 results.