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.

A186154 Rank of (1/8)n^3 when {(1/8)i^3: i>=1} and {j^2>: j>=1} are jointly ranked with (1/8)i^3 after j^2 when (1/8)i^3=j^2. Complement of A186155.

Original entry on oeis.org

1, 3, 4, 6, 8, 11, 13, 16, 18, 21, 23, 26, 29, 32, 35, 38, 41, 45, 48, 51, 55, 58, 61, 65, 69, 72, 76, 80, 84, 88, 92, 96, 100, 104, 108, 112, 116, 120, 125, 129, 133, 138, 142, 147, 151, 156, 160, 165, 170, 175, 179, 184, 189, 194, 199, 204, 209, 214, 219, 224, 229, 234, 239, 245, 250, 255, 260, 266, 271, 277, 282, 288, 293, 299, 304, 310, 315, 321, 327, 332, 338, 344, 350, 356, 362, 367, 373, 379, 385, 391, 397, 403, 410
Offset: 1

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Author

Clark Kimberling, Feb 13 2011

Keywords

Comments

A186154 results from changing "before" to "after" in the name of A186152. See A186145 for a discussion of adjusted joint rank sequences.

Crossrefs

Programs

  • Mathematica
    d=-1/16; u=1/8; v=1; p=3; q=2;
    h[n_]:=((u*n^p-d)/v)^(1/q);
    a[n_]:=n+Floor[h[n]]; (* rank of u*n^p *)
    k[n_]:=((v*n^q+d)/u)^(1/p);
    b[n_]:=n+Floor[k[n]]; (* rank of v*n^q *)
    Table[a[n],{n,1,100}]  (* A186154 *)
    Table[b[n],{n,1,100}]  (* A186155 *)