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.

A140231 a(n) = ceiling(e^(n*(1+sqrt(5))/2)).

Original entry on oeis.org

6, 26, 129, 647, 3263, 16453, 82971, 418433, 2110227, 10642223, 53670491, 270669172, 1365029469, 6884069717, 34717503879, 175086122783, 882988319045, 4453056354096, 22457500812922, 113256896535457, 571173289481198
Offset: 1

Views

Author

Mohammad K. Azarian, May 13 2008

Keywords

Crossrefs

Cf. A139341, A140232, A140233.

Programs

  • Mathematica
    Table[Ceiling[E^(n*GoldenRatio)],{n,30}] (* Harvey P. Dale, Mar 12 2015 *)

A140233 a(n) = floor(n*e^((1+sqrt(5))/2)) = floor(n*A139341).

Original entry on oeis.org

5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 105, 110, 115, 121, 126, 131, 136, 141, 146, 151, 156, 161, 166, 171, 176, 181, 186, 191, 196, 201, 206, 211, 216, 221, 226, 231, 237, 242, 247, 252, 257, 262, 267, 272, 277, 282
Offset: 1

Views

Author

Mohammad K. Azarian, May 13 2008

Keywords

Crossrefs

Cf. A001622, A139341, A140231, A140232.

Programs

  • Mathematica
    a[n_]:=Floor[n*Exp[GoldenRatio]];Array[a,60] (* James C. McMahon, Jul 07 2025 *)
Showing 1-2 of 2 results.

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