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.

A249244 Numbers k such that A249243(k+1) = A249243(k).

Original entry on oeis.org

3, 7, 11, 15, 19, 22, 26, 30, 34, 38, 41, 45, 49, 53, 56, 60, 64, 68, 72, 75, 79, 83, 87, 91, 94, 98, 102, 106, 109, 113, 117, 121, 125, 128, 132, 136, 140, 144, 147, 151, 155, 159, 162, 166, 170, 174, 178, 181, 185, 189, 193, 197, 200, 204, 208, 212, 215
Offset: 1

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Author

Clark Kimberling, Oct 23 2014

Keywords

Comments

A249244 and A249245 are a complementary pair, analogous to the pair A247785 and A247786.

Crossrefs

Programs

  • Mathematica
    u = Floor[Table[1/((1 + 1/n)^(n + 1) - E), {n, 1, 1000}]]; (* A249243 *)
    d = Differences[u]
    Flatten[Position[d, 0]]  (* A249244 *)
    Flatten[Position[d, 1]]  (* A249245 *)