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.

Previous Showing 41-50 of 106 results. Next

A198501 Decimal expansion of x>0 having 3*x^2=sin(x).

Original entry on oeis.org

3, 2, 7, 4, 0, 9, 7, 7, 4, 2, 7, 7, 0, 3, 7, 5, 9, 2, 3, 3, 5, 6, 6, 4, 0, 8, 1, 0, 6, 2, 1, 0, 8, 2, 9, 2, 0, 9, 2, 6, 4, 1, 8, 9, 7, 5, 1, 2, 9, 1, 9, 2, 7, 4, 9, 4, 5, 7, 5, 1, 6, 6, 4, 8, 7, 2, 8, 9, 7, 7, 7, 6, 1, 2, 5, 5, 3, 7, 3, 1, 1, 3, 9, 4, 7, 6, 3, 0, 1, 8, 4, 0, 5, 1, 5, 1, 9, 1, 5
Offset: 0

Views

Author

Clark Kimberling, Oct 25 2011

Keywords

Comments

See A198414 for a guide to related sequences. The Mathematica program includes a graph.

Examples

			0.3274097742770375923356640810621082...

Links

Crossrefs

Cf. A198414.

Programs

  • Mathematica
    a = 3; b = 0; c = 1;
f[x_] := a*x^2 + b*x; g[x_] := c*Sin[x]
Plot[{f[x], g[x]}, {x, -.5, .5}]
r = x /. FindRoot[f[x] == g[x], {x, .32, .33}, WorkingPrecision -> 110]
RealDigits[r] (* A198501 *)
  • PARI
    solve(x=.3,1,sin(x)-3*x^2) \\ Charles R Greathouse IV, Mar 25 2015

A198502 Decimal expansion of x>0 having 3*x^2=2*sin(x).

Original entry on oeis.org

6, 2, 4, 2, 0, 9, 2, 8, 7, 0, 4, 8, 3, 2, 7, 5, 5, 8, 0, 0, 5, 9, 4, 1, 4, 5, 0, 4, 3, 9, 2, 0, 0, 8, 2, 8, 5, 7, 6, 6, 9, 3, 7, 0, 8, 3, 5, 4, 9, 8, 5, 7, 4, 5, 3, 2, 6, 6, 4, 6, 6, 2, 5, 1, 6, 3, 1, 3, 3, 3, 7, 2, 1, 0, 9, 4, 2, 8, 2, 2, 0, 8, 9, 1, 4, 0, 5, 8, 5, 0, 7, 6, 3, 7, 7, 5, 8, 9, 1
Offset: 0

Views

Author

Clark Kimberling, Oct 25 2011

Keywords

Comments

See A198414 for a guide to related sequences. The Mathematica program includes a graph.

Examples

			0.624209287048327558005941450439200...
.
cons

Links

Crossrefs

Cf. A198414.

Programs

  • Mathematica
    a = 3; b = 0; c = 2;
f[x_] := a*x^2 + b*x; g[x_] := c*Sin[x]
Plot[{f[x], g[x]}, {x, -.2, 1}]
r = x /. FindRoot[f[x] == g[x], {x, .62, .63}, WorkingPrecision -> 110]
RealDigits[r] (* A198502 *)

A198503 Decimal expansion of x>0 having 4*x^2=sin(x).

Original entry on oeis.org

2, 4, 7, 4, 5, 6, 3, 5, 6, 7, 7, 0, 3, 8, 9, 8, 7, 2, 7, 3, 0, 3, 2, 8, 7, 7, 6, 3, 3, 7, 9, 9, 3, 7, 2, 5, 2, 6, 1, 6, 4, 9, 4, 0, 2, 8, 4, 0, 2, 1, 2, 8, 3, 8, 1, 5, 0, 3, 2, 6, 6, 1, 6, 9, 5, 3, 9, 4, 2, 8, 1, 2, 1, 8, 3, 3, 6, 6, 1, 7, 2, 0, 2, 0, 5, 9, 0, 5, 1, 2, 0, 2, 2, 1, 7, 6, 2, 5, 8
Offset: 0

Views

Author

Clark Kimberling, Oct 25 2011

Keywords

Comments

See A198414 for a guide to related sequences. The Mathematica program includes a graph.

Examples

			0.2474563567703898727303287763379937252...

Links

Crossrefs

Cf. A198414.

Programs

  • Mathematica
    a = 4; b = 0; c = 1;
f[x_] := a*x^2 + b*x; g[x_] := c*Sin[x]
Plot[{f[x], g[x]}, {x, -.2, .4}]
r = x /. FindRoot[f[x] == g[x], {x, .24, .25}, WorkingPrecision -> 110]
RealDigits[r] (* A198503 *)

A198504 Decimal expansion of x>0 having 4*x^2=3*sin(x).

Original entry on oeis.org

6, 9, 1, 6, 2, 1, 3, 6, 4, 6, 2, 5, 5, 8, 4, 5, 3, 2, 0, 0, 7, 1, 1, 6, 4, 0, 3, 1, 3, 7, 2, 6, 4, 0, 7, 3, 7, 9, 1, 5, 6, 4, 1, 1, 5, 9, 4, 9, 1, 0, 0, 0, 9, 7, 2, 7, 7, 7, 7, 6, 3, 5, 3, 5, 0, 5, 0, 2, 7, 9, 8, 7, 5, 4, 7, 0, 2, 8, 1, 8, 5, 5, 3, 9, 2, 9, 9, 5, 4, 8, 3, 1, 2, 7, 6, 6, 9, 2, 0
Offset: 0

Views

Author

Clark Kimberling, Oct 25 2011

Keywords

Comments

See A198414 for a guide to related sequences. The Mathematica program includes a graph.

Examples

			0.691621364625584532007116403137264073...

Links

Crossrefs

Cf. A198414.

Programs

  • Mathematica
    a = 4; b = 0; c = 3;
f[x_] := a*x^2 + b*x; g[x_] := c*Sin[x]
Plot[{f[x], g[x]}, {x, -.2, 1}]
r = x /. FindRoot[f[x] == g[x], {x, .69, .7}, WorkingPrecision -> 110]
RealDigits[r] (* A198504 *)

A198505 Decimal expansion of x>0 having 4*x^2+x=2*sin(x).

Original entry on oeis.org

2, 4, 5, 0, 1, 2, 4, 0, 4, 2, 4, 6, 2, 6, 1, 5, 0, 1, 4, 0, 8, 2, 4, 5, 3, 0, 6, 8, 3, 6, 8, 1, 1, 1, 3, 4, 4, 4, 2, 8, 1, 5, 6, 5, 1, 3, 8, 6, 8, 0, 1, 2, 4, 2, 1, 1, 1, 7, 9, 6, 5, 5, 0, 9, 7, 9, 7, 6, 9, 6, 1, 0, 7, 0, 8, 2, 5, 0, 3, 5, 0, 0, 0, 3, 5, 8, 1, 9, 7, 3, 1, 8, 4, 6, 6, 4, 6, 9, 2
Offset: 0

Views

Author

Clark Kimberling, Oct 25 2011

Keywords

Comments

See A198414 for a guide to related sequences. The Mathematica program includes a graph.

Examples

			0.24501240424626150140824530683681113444...

Links

Crossrefs

Cf. A198414.

Programs

  • Mathematica
    a = 4; b = 1; c = 2;
f[x_] := a*x^2 + b*x; g[x_] := c*Sin[x]
Plot[{f[x], g[x]}, {x, -.2, .4}]
r = x /. FindRoot[f[x] == g[x], {x, .24, .25}, WorkingPrecision -> 110]
RealDigits[r] (* A198505 *)

A198506 Decimal expansion of x>0 having 4*x^2+x=3*sin(x).

Original entry on oeis.org

4, 7, 2, 4, 1, 2, 8, 9, 8, 9, 4, 8, 7, 9, 8, 3, 1, 8, 6, 3, 1, 2, 2, 3, 3, 0, 1, 8, 3, 4, 1, 4, 4, 5, 4, 7, 3, 0, 1, 4, 3, 6, 8, 6, 6, 2, 7, 4, 6, 8, 4, 8, 7, 8, 5, 3, 9, 2, 6, 5, 7, 8, 9, 5, 7, 0, 4, 4, 2, 7, 4, 8, 3, 7, 2, 8, 1, 4, 3, 9, 9, 8, 9, 2, 7, 6, 0, 9, 8, 2, 0, 8, 8, 8, 0, 1, 5, 2, 3
Offset: 0

Views

Author

Clark Kimberling, Oct 25 2011

Keywords

Comments

See A198414 for a guide to related sequences. The Mathematica program includes a graph.

Examples

			0.47241289894879831863122330183414454730...

Links

Crossrefs

Cf. A198414.

Programs

  • Mathematica
    a = 4; b = 1; c = 3;
f[x_] := a*x^2 + b*x; g[x_] := c*Sin[x]
Plot[{f[x], g[x]}, {x, -.2, .6}]
r = x /. FindRoot[f[x] == g[x], {x, .47, .48}, WorkingPrecision -> 110]
RealDigits[r] (* A198506 *)

A198507 Decimal expansion of x>0 having 4*x^2+x=4*sin(x).

Original entry on oeis.org

6, 7, 5, 6, 3, 6, 8, 7, 1, 4, 5, 7, 3, 4, 1, 3, 7, 5, 7, 8, 9, 6, 6, 0, 2, 1, 4, 1, 1, 9, 9, 9, 6, 1, 1, 7, 2, 9, 3, 5, 9, 9, 1, 6, 9, 5, 3, 8, 1, 6, 5, 8, 9, 0, 3, 9, 9, 9, 5, 4, 4, 6, 6, 0, 4, 1, 9, 9, 7, 8, 3, 5, 3, 8, 6, 5, 0, 5, 0, 7, 4, 6, 7, 2, 6, 3, 8, 2, 7, 1, 8, 9, 6, 6, 7, 5, 3, 6, 9
Offset: 0

Views

Author

Clark Kimberling, Oct 25 2011

Keywords

Comments

See A198414 for a guide to related sequences. The Mathematica program includes a graph.

Examples

			0.675636871457341375789660214119996117293599...

Links

Crossrefs

Cf. A198414.

Programs

  • Mathematica
    a = 4; b = 1; c = 4;
f[x_] := a*x^2 + b*x; g[x_] := c*Sin[x]
Plot[{f[x], g[x]}, {x, -.2, 1}]
r = x /. FindRoot[f[x] == g[x], {x, .67, .68}, WorkingPrecision -> 110]
RealDigits[r] (* A198507 *)

A198539 Decimal expansion of x<0 having 4*x^2+2x=sin(x).

Original entry on oeis.org

2, 5, 2, 6, 5, 1, 2, 1, 7, 3, 6, 3, 0, 6, 7, 9, 6, 9, 8, 4, 9, 9, 4, 7, 8, 9, 1, 4, 6, 7, 0, 0, 1, 5, 8, 8, 9, 4, 0, 1, 1, 1, 8, 9, 2, 5, 4, 4, 2, 2, 4, 9, 7, 2, 1, 6, 2, 5, 7, 7, 4, 4, 6, 8, 3, 0, 5, 9, 7, 5, 5, 7, 0, 4, 8, 0, 1, 9, 1, 4, 6, 5, 2, 5, 6, 0, 8, 5, 7, 8, 4, 5, 2, 1, 2, 5, 6, 0, 9
Offset: 0

Views

Author

Clark Kimberling, Oct 26 2011

Keywords

Comments

See A198414 for a guide to related sequences. The Mathematica program includes a graph.

Examples

			-0.252651217363067969849947891467001...

Links

Crossrefs

Cf. A198414.

Programs

  • Mathematica
    a = 4; b = 2; c = 1;
f[x_] := a*x^2 + b*x; g[x_] := c*Sin[x]
Plot[{f[x], g[x]}, {x, -.6, .2}]
r = x /. FindRoot[f[x] == g[x], {x, -.26, -.25}, WorkingPrecision -> 110]
RealDigits[r] (* A198539 *)

A198540 Decimal expansion of x>0 having 4*x^2+2x=3*sin(x).

Original entry on oeis.org

2, 4, 2, 6, 6, 1, 0, 9, 0, 1, 4, 0, 2, 2, 1, 3, 1, 2, 6, 3, 0, 2, 6, 4, 8, 3, 4, 9, 7, 4, 7, 3, 8, 4, 2, 1, 3, 1, 7, 8, 2, 5, 8, 1, 5, 0, 5, 0, 8, 6, 2, 5, 8, 9, 0, 5, 7, 5, 0, 7, 5, 2, 3, 6, 5, 1, 2, 7, 3, 8, 7, 3, 9, 0, 2, 9, 0, 7, 0, 3, 7, 9, 5, 4, 9, 6, 6, 9, 4, 5, 3, 7, 2, 1, 9, 3, 4, 1, 4
Offset: 0

Views

Author

Clark Kimberling, Oct 26 2011

Keywords

Comments

See A198414 for a guide to related sequences. The Mathematica program includes a graph.

Examples

			0.24266109014022131263026483497473842...

Links

Crossrefs

Cf. A198414.

Programs

  • Mathematica
    a = 4; b = 2; c = 3;
f[x_] := a*x^2 + b*x; g[x_] := c*Sin[x]
Plot[{f[x], g[x]}, {x, -.2, .4}]
r = x /. FindRoot[f[x] == g[x], {x, .24, .25}, WorkingPrecision -> 110]
RealDigits[r] (* A198540 *)

A198541 Decimal expansion of x<0 having 4*x^2+3x=sin(x).

Original entry on oeis.org

5, 1, 0, 7, 2, 7, 5, 7, 3, 3, 8, 5, 5, 1, 7, 3, 1, 2, 0, 7, 9, 4, 0, 8, 2, 9, 0, 2, 7, 2, 0, 5, 8, 5, 4, 4, 6, 0, 7, 9, 0, 7, 3, 1, 7, 7, 8, 9, 3, 9, 8, 9, 1, 1, 9, 3, 5, 6, 3, 5, 4, 7, 0, 3, 7, 3, 3, 4, 5, 5, 7, 6, 3, 8, 0, 4, 8, 5, 6, 5, 0, 9, 7, 9, 7, 1, 3, 9, 6, 4, 3, 5, 9, 8, 9, 0, 3, 5, 5
Offset: 0

Views

Author

Clark Kimberling, Oct 26 2011

Keywords

Comments

See A198414 for a guide to related sequences. The Mathematica program includes a graph.

Examples

			-0.510727573385517312079408290272058544...

Links

Crossrefs

Cf. A198414.

Programs

  • Mathematica
    a = 4; b = 3; c = 1;
f[x_] := a*x^2 + b*x; g[x_] := c*Sin[x]
Plot[{f[x], g[x]}, {x, -1, .2}]
r = x /. FindRoot[f[x] == g[x], {x, -.51, -.5}, WorkingPrecision -> 110]
RealDigits[r] (* A198541 *)
Previous Showing 41-50 of 106 results. Next

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.