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.

A214076 a(n) = ceiling(e^(n/3)).

Original entry on oeis.org

2, 2, 3, 4, 6, 8, 11, 15, 21, 29, 40, 55, 77, 107, 149, 208, 290, 404, 564, 786, 1097, 1531, 2136, 2981, 4161, 5807, 8104, 11309, 15783, 22027, 30741, 42902, 59875, 83562, 116619, 162755, 227143, 317004, 442414, 617438
Offset: 1

Views

Author

Mohammad K. Azarian, Jul 02 2012

Keywords

Crossrefs

Programs

  • Derive
    PROG(y := [], n := 60, LOOP(IF(n = 0, RETURN y), y := ADJOIN(CEILING(ê^(n/3)), y), n := n - 1))
    
  • Magma
    [Ceiling(Exp(n)^(1/3)): n in [1..50]]; // Vincenzo Librandi, Feb 13 2013
    
  • Maple
    A214076:=n->ceil(exp(n/3)): seq(A214076(n), n=1..60); # Wesley Ivan Hurt, Jan 11 2016
  • Mathematica
    Ceiling[E^(Range[40]/3)] (* Harvey P. Dale, Aug 22 2012 *)
  • PARI
    a(n) = ceil(exp(n/3)); \\ Michel Marcus, Jan 11 2016

A214077 a(n) = floor(e^(n/3)).

Original entry on oeis.org

1, 1, 2, 3, 5, 7, 10, 14, 20, 28, 39, 54, 76, 106, 148, 207, 289, 403, 563, 785, 1096, 1530, 2135, 2980, 4160, 5806, 8103, 11308, 15782, 22026, 30740, 42901, 59874, 83561, 116618, 162754, 227142, 317003, 442413, 617437
Offset: 1

Views

Author

Mohammad K. Azarian, Jul 02 2012

Keywords

Crossrefs

Programs

  • Derive
    PROG(y := [], n := 60, LOOP(IF(n = 0, RETURN y), y := ADJOIN(FLOOR(ê^(n/3)), y), n := n - 1))
    
  • Magma
    [Floor(Exp(n)^(1/3)): n in [1..50]]; // Vincenzo Librandi, Feb 13 2013
    
  • Maple
    A214077:=n->floor(exp(n/3)): seq(A214077(n), n=1..60); # Wesley Ivan Hurt, Jan 11 2016
  • Mathematica
    Floor[E^(Range[50]/3)] (* Vincenzo Librandi, Feb 13 2013 *)
  • PARI
    a(n) = floor(exp(n/3)); \\ Michel Marcus, Jan 11 2016
Showing 1-2 of 2 results.