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.

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A194742 Number of k such that {k*sqrt(5)} < {n*sqrt(5)}, where { } = fractional part.

Original entry on oeis.org

1, 2, 3, 4, 1, 3, 5, 7, 1, 4, 7, 10, 1, 5, 9, 13, 1, 6, 11, 16, 21, 5, 11, 17, 23, 4, 11, 18, 25, 3, 11, 19, 27, 2, 11, 20, 29, 38, 9, 19, 29, 39, 7, 18, 29, 40, 5, 17, 29, 41, 3, 16, 29, 42, 55, 13, 27, 41, 55, 10, 25, 40, 55, 7, 23, 39, 55, 4, 21, 38, 55, 72, 17, 35, 53
Offset: 1

Views

Author

Clark Kimberling, Sep 02 2011

Keywords

Crossrefs

Programs

  • Mathematica
    r = Sqrt[5]; p[x_] := FractionalPart[x];
    u[n_, k_] := If[p[k*r] <= p[n*r], 1, 0]
    v[n_, k_] := If[p[k*r] > p[n*r], 1, 0]
    s[n_] := Sum[u[n, k], {k, 1, n}]
    t[n_] := Sum[v[n, k], {k, 1, n}]
    Table[s[n], {n, 1, 100}]   (* A194742 *)
    Table[t[n], {n, 1, 100}]   (* A194743 *)

A194743 Number of k such that {k*sqrt(5)} > {n*sqrt(5)}, where { } = fractional part.

Original entry on oeis.org

0, 0, 0, 0, 4, 3, 2, 1, 8, 6, 4, 2, 12, 9, 6, 3, 16, 12, 8, 4, 0, 17, 12, 7, 2, 22, 16, 10, 4, 27, 20, 13, 6, 32, 24, 16, 8, 0, 30, 21, 12, 3, 36, 26, 16, 6, 42, 31, 20, 9, 48, 36, 24, 12, 0, 43, 30, 17, 4, 50, 36, 22, 8, 57, 42, 27, 12, 64, 48, 32, 16, 0, 56, 39, 22, 5, 64
Offset: 1

Views

Author

Clark Kimberling, Sep 02 2011

Keywords

Crossrefs

Programs

  • Mathematica
    r = Sqrt[5]; p[x_] := FractionalPart[x];
    u[n_, k_] := If[p[k*r] <= p[n*r], 1, 0]
    v[n_, k_] := If[p[k*r] > p[n*r], 1, 0]
    s[n_] := Sum[u[n, k], {k, 1, n}]
    t[n_] := Sum[v[n, k], {k, 1, n}]
    Table[s[n], {n, 1, 100}]   (* A194742 *)
    Table[t[n], {n, 1, 100}]   (* A194743 *)

A194744 Number of k such that {-k*sqrt(5)} < {-n*sqrt(5)}, where { } = fractional part.

Original entry on oeis.org

1, 1, 1, 1, 5, 4, 3, 2, 9, 7, 5, 3, 13, 10, 7, 4, 17, 13, 9, 5, 1, 18, 13, 8, 3, 23, 17, 11, 5, 28, 21, 14, 7, 33, 25, 17, 9, 1, 31, 22, 13, 4, 37, 27, 17, 7, 43, 32, 21, 10, 49, 37, 25, 13, 1, 44, 31, 18, 5, 51, 37, 23, 9, 58, 43, 28, 13, 65, 49, 33, 17, 1, 57, 40, 23, 6
Offset: 1

Views

Author

Clark Kimberling, Sep 02 2011

Keywords

Crossrefs

Programs

  • Mathematica
    r = -Sqrt[5]; p[x_] := FractionalPart[x];
    u[n_, k_] := If[p[k*r] <= p[n*r], 1, 0]
    v[n_, k_] := If[p[k*r] > p[n*r], 1, 0]
    s[n_] := Sum[u[n, k], {k, 1, n}]
    t[n_] := Sum[v[n, k], {k, 1, n}]
    Table[s[n], {n, 1, 100}]   (* A194744 *)
    Table[t[n], {n, 1, 100}]   (* A194745 *)

A194745 Number of k such that {-k*sqrt(5)} > {-n*sqrt(5)}, where { } = fractional part.

Original entry on oeis.org

0, 1, 2, 3, 0, 2, 4, 6, 0, 3, 6, 9, 0, 4, 8, 12, 0, 5, 10, 15, 20, 4, 10, 16, 22, 3, 10, 17, 24, 2, 10, 18, 26, 1, 10, 19, 28, 37, 8, 18, 28, 38, 6, 17, 28, 39, 4, 16, 28, 40, 2, 15, 28, 41, 54, 12, 26, 40, 54, 9, 24, 39, 54, 6, 22, 38, 54, 3, 20, 37, 54, 71, 16, 34, 52, 70
Offset: 1

Views

Author

Clark Kimberling, Sep 02 2011

Keywords

Crossrefs

Programs

  • Mathematica
    r = -Sqrt[5]; p[x_] := FractionalPart[x];
    u[n_, k_] := If[p[k*r] <= p[n*r], 1, 0]
    v[n_, k_] := If[p[k*r] > p[n*r], 1, 0]
    s[n_] := Sum[u[n, k], {k, 1, n}]
    t[n_] := Sum[v[n, k], {k, 1, n}]
    Table[s[n], {n, 1, 100}]   (* A194744 *)
    Table[t[n], {n, 1, 100}]   (* A194745 *)

A194746 Number of k such that {k*sqrt(6)} < {n*sqrt(6)}, where { } = fractional part.

Original entry on oeis.org

1, 2, 1, 3, 1, 4, 1, 5, 1, 6, 11, 5, 11, 4, 11, 3, 11, 2, 11, 20, 9, 19, 7, 18, 5, 17, 3, 16, 1, 15, 29, 12, 27, 9, 25, 6, 23, 3, 21, 39, 17, 36, 13, 33, 9, 30, 5, 27, 1, 24, 47, 19, 43, 14, 39, 9, 35, 4, 31, 58, 25, 53, 19, 48, 13, 43, 7, 38, 1, 33, 65, 26, 59, 19, 53, 12
Offset: 1

Views

Author

Clark Kimberling, Sep 02 2011

Keywords

Crossrefs

Programs

  • Mathematica
    r = Sqrt[6]; p[x_] := FractionalPart[x];
    u[n_, k_] := If[p[k*r] <= p[n*r], 1, 0]
    v[n_, k_] := If[p[k*r] > p[n*r], 1, 0]
    s[n_] := Sum[u[n, k], {k, 1, n}]
    t[n_] := Sum[v[n, k], {k, 1, n}]
    Table[s[n], {n, 1, 100}]   (* A194746 *)
    Table[t[n], {n, 1, 100}]   (* A194747 *)

A194747 Number of k such that {k*sqrt(6)} > {n*sqrt(6)}, where { } = fractional part.

Original entry on oeis.org

0, 0, 2, 1, 4, 2, 6, 3, 8, 4, 0, 7, 2, 10, 4, 13, 6, 16, 8, 0, 12, 3, 16, 6, 20, 9, 24, 12, 28, 15, 2, 20, 6, 25, 10, 30, 14, 35, 18, 1, 24, 6, 30, 11, 36, 16, 42, 21, 48, 26, 4, 33, 10, 40, 16, 47, 22, 54, 28, 2, 36, 9, 44, 16, 52, 23, 60, 30, 68, 37, 6, 46, 14, 55, 22, 64
Offset: 1

Views

Author

Clark Kimberling, Sep 02 2011

Keywords

Crossrefs

Programs

  • Mathematica
    r = Sqrt[6]; p[x_] := FractionalPart[x];
    u[n_, k_] := If[p[k*r] <= p[n*r], 1, 0]
    v[n_, k_] := If[p[k*r] > p[n*r], 1, 0]
    s[n_] := Sum[u[n, k], {k, 1, n}]
    t[n_] := Sum[v[n, k], {k, 1, n}]
    Table[s[n], {n, 1, 100}]   (* A194746 *)
    Table[t[n], {n, 1, 100}]   (* A194747 *)

A194748 Number of k such that {-k*sqrt(6)} < {-n*sqrt(6)}, where { } = fractional part.

Original entry on oeis.org

1, 1, 3, 2, 5, 3, 7, 4, 9, 5, 1, 8, 3, 11, 5, 14, 7, 17, 9, 1, 13, 4, 17, 7, 21, 10, 25, 13, 29, 16, 3, 21, 7, 26, 11, 31, 15, 36, 19, 2, 25, 7, 31, 12, 37, 17, 43, 22, 49, 27, 5, 34, 11, 41, 17, 48, 23, 55, 29, 3, 37, 10, 45, 17, 53, 24, 61, 31, 69, 38, 7, 47, 15, 56, 23
Offset: 1

Views

Author

Clark Kimberling, Sep 02 2011

Keywords

Crossrefs

Programs

  • Mathematica
    r = -Sqrt[6]; p[x_] := FractionalPart[x];
    u[n_, k_] := If[p[k*r] <= p[n*r], 1, 0]
    v[n_, k_] := If[p[k*r] > p[n*r], 1, 0]
    s[n_] := Sum[u[n, k], {k, 1, n}]
    t[n_] := Sum[v[n, k], {k, 1, n}]
    Table[s[n], {n, 1, 100}]   (* A194748 *)
    Table[t[n], {n, 1, 100}]   (* A194749 *)

A194749 Number of k such that {-k*sqrt(6)} > {-n*sqrt(6)}, where { } = fractional part.

Original entry on oeis.org

0, 1, 0, 2, 0, 3, 0, 4, 0, 5, 10, 4, 10, 3, 10, 2, 10, 1, 10, 19, 8, 18, 6, 17, 4, 16, 2, 15, 0, 14, 28, 11, 26, 8, 24, 5, 22, 2, 20, 38, 16, 35, 12, 32, 8, 29, 4, 26, 0, 23, 46, 18, 42, 13, 38, 8, 34, 3, 30, 57, 24, 52, 18, 47, 12, 42, 6, 37, 0, 32, 64, 25, 58, 18, 52, 11
Offset: 1

Views

Author

Clark Kimberling, Sep 02 2011

Keywords

Crossrefs

Programs

  • Mathematica
    r = -Sqrt[6]; p[x_] := FractionalPart[x];
    u[n_, k_] := If[p[k*r] <= p[n*r], 1, 0]
    v[n_, k_] := If[p[k*r] > p[n*r], 1, 0]
    s[n_] := Sum[u[n, k], {k, 1, n}]
    t[n_] := Sum[v[n, k], {k, 1, n}]
    Table[s[n], {n, 1, 100}]   (* A194748 *)
    Table[t[n], {n, 1, 100}]   (* A194749 *)

A194751 Number of k such that {k*e} > {n*e}, where { } = fractional part.

Original entry on oeis.org

0, 1, 2, 0, 2, 4, 6, 1, 4, 7, 0, 4, 8, 12, 2, 7, 12, 0, 6, 12, 18, 3, 10, 17, 0, 8, 16, 24, 4, 13, 22, 0, 10, 20, 30, 5, 16, 27, 38, 10, 22, 34, 4, 17, 30, 43, 10, 24, 38, 3, 18, 33, 48, 10, 26, 42, 2, 19, 36, 53, 10, 28, 46, 1, 20, 39, 58, 10, 30, 50, 0, 21, 42, 63, 10, 32
Offset: 1

Views

Author

Clark Kimberling, Sep 02 2011

Keywords

Crossrefs

Programs

  • Mathematica
    r = E; p[x_] := FractionalPart[x];
    u[n_, k_] := If[p[k*r] <= p[n*r], 1, 0]
    v[n_, k_] := If[p[k*r] > p[n*r], 1, 0]
    s[n_] := Sum[u[n, k], {k, 1, n}]
    t[n_] := Sum[v[n, k], {k, 1, n}]
    Table[s[n], {n, 1, 100}]   (* A194750 *)
    Table[t[n], {n, 1, 100}]   (* A194751 *)

A194752 Number of k such that {-k*e} < {-n*e}, where { } = fractional part.

Original entry on oeis.org

1, 2, 3, 1, 3, 5, 7, 2, 5, 8, 1, 5, 9, 13, 3, 8, 13, 1, 7, 13, 19, 4, 11, 18, 1, 9, 17, 25, 5, 14, 23, 1, 11, 21, 31, 6, 17, 28, 39, 11, 23, 35, 5, 18, 31, 44, 11, 25, 39, 4, 19, 34, 49, 11, 27, 43, 3, 20, 37, 54, 11, 29, 47, 2, 21, 40, 59, 11, 31, 51, 1, 22, 43, 64, 11, 33
Offset: 1

Views

Author

Clark Kimberling, Sep 02 2011

Keywords

Crossrefs

Programs

  • Mathematica
    r = -E; p[x_] := FractionalPart[x];
    u[n_, k_] := If[p[k*r] <= p[n*r], 1, 0]
    v[n_, k_] := If[p[k*r] > p[n*r], 1, 0]
    s[n_] := Sum[u[n, k], {k, 1, n}]
    t[n_] := Sum[v[n, k], {k, 1, n}]
    Table[s[n], {n, 1, 100}]   (* A194752 *)
    Table[t[n], {n, 1, 100}]   (* A194753 *)
Previous Showing 11-20 of 33 results. Next