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 1-4 of 4 results.

A182219 Where A024573 becomes a record.

Original entry on oeis.org

1, 2, 3, 7, 39, 110, 181, 252, 323, 394, 465, 1001, 9545, 27634, 45723, 63812, 81901, 99990, 118079, 136168, 154257, 172346, 190435, 398959, 5394991, 15786014, 26177037, 36568060, 46959083, 57350106, 67741129, 78132152, 88523175, 98914198, 109305221, 119696244
Offset: 1

Views

Author

Robert G. Wilson v, Apr 19 2012

Keywords

Crossrefs

Cf. A024573.

Programs

  • Mathematica
    f[n_] := Floor[1/FractionalPart[n*E]]; k = 1; mx = 0; lst = {}; While[k < 10^10/3, a = f@ k; If[a > mx, AppendTo[lst, k]; Print[{k, a}]]; k++]; lst

A101262 Records in the sequence A024573 defined by [1/{n*e}], {x} := x - [x].

Original entry on oeis.org

1, 2, 6, 35, 76, 90, 110, 142, 198, 328, 952, 9067, 18996, 20991, 23456, 26575, 30652, 36205, 44217, 56781, 79321, 131533, 384870, 5202154, 10762714
Offset: 1

Views

Author

Carlos Alves, Jan 23 2005

Keywords

Crossrefs

Cf. A024573.

Programs

  • Mathematica
    lst = {}; a = 0; Do[ b = Floor[1/(n E - Floor[n E])]; If[b > a, AppendTo[ lst, b]; a = b; Print[{n, b}]], {n, 10^7}]; lst (* Robert G. Wilson v, Jan 24 2005 *)

Extensions

a(20)-a(26) from Robert G. Wilson v, Jan 24 2005

A024574 a(n) = Sum_{k=1..n} [ 1/{k*e} ] where {x} := x - [ x ].

Original entry on oeis.org

1, 3, 9, 10, 11, 14, 49, 50, 52, 57, 58, 59, 61, 78, 79, 81, 85, 86, 87, 89, 100, 101, 102, 106, 107, 108, 110, 118, 119, 120, 123, 124, 125, 127, 134, 135, 136, 139, 215, 216, 218, 223, 224, 225, 228, 252, 253, 255, 260, 261, 262, 264, 278, 279, 280, 284, 285, 286, 288, 298
Offset: 1

Views

Author

Keywords

Crossrefs

Cf. A024575. Partial sums of A024573.

Programs

  • Mathematica
    Table[Sum[Floor[1/FractionalPart[k*E]], {k, n}], {n, 100}] (* Clark Kimberling, Aug 15 2012 *)

A024572 a(n) = [ n/{n*e} ], {x} := x - [ x ].

Original entry on oeis.org

1, 4, 19, 4, 8, 19, 250, 10, 19, 54, 12, 19, 38, 250, 19, 32, 80, 19, 29, 54, 250, 27, 44, 100, 26, 38, 68, 250, 34, 54, 116, 32, 46, 80, 250, 41, 64, 128, 3002, 54, 91, 250, 48, 72, 139, 1122, 61, 100, 250, 54, 80, 148, 768, 68, 108, 250, 60, 87, 155, 619, 74, 116, 250, 65, 94, 162, 536
Offset: 1

Views

Author

Keywords

Crossrefs

Cf. A024573.

Programs

  • Mathematica
    Table[Floor[1/FractionalPart[n*E]], {n, 100}] (* Clark Kimberling, Aug 15 2012 *)
Showing 1-4 of 4 results.