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 31-40 of 105 results. Next

A198836 Decimal expansion of x>0 satisfying x^2-3*cos(x)=-2.

Original entry on oeis.org

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

Views

Author

Clark Kimberling, Oct 30 2011

Keywords

Comments

See A198755 for a guide to related sequences. The Mathematica program includes a graph.

Examples

			0.63892065760459453890825746264425967630...

Links

Crossrefs

Cf. A198755.

Programs

  • Mathematica
    a = 1; b = -3; c = -2;
f[x_] := a*x^2 + b*Cos[x]; g[x_] := c
Plot[{f[x], g[x]}, {x, -3, 3}, {AxesOrigin -> {0, 0}}]
r = x /. FindRoot[f[x] == g[x], {x, .63, .64}, WorkingPrecision -> 110]
RealDigits[r] (* A198836 *)

A198837 Decimal expansion of x>0 satisfying 2*x^2+cos(x)=4.

Original entry on oeis.org

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

Views

Author

Clark Kimberling, Oct 31 2011

Keywords

Comments

See A198755 for a guide to related sequences. The Mathematica program includes a graph.

Examples

			1.3803435199554311442069491575568815571556...

Links

Crossrefs

Cf. A198755.

Programs

  • Mathematica
    a = 2; b = 1; c = 4;
f[x_] := a*x^2 + b*Cos[x]; g[x_] := c
Plot[{f[x], g[x]}, {x, -2, 2}, {AxesOrigin -> {0, 0}}]
r = x /. FindRoot[f[x] == g[x], {x, 1.3, 1.4}, WorkingPrecision -> 110]
RealDigits[r]  (* A198837 *)

A198838 Decimal expansion of x>0 satisfying x^2-4*cos(x)=1.

Original entry on oeis.org

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

Views

Author

Clark Kimberling, Oct 30 2011

Keywords

Comments

See A198755 for a guide to related sequences. The Mathematica program includes a graph.

Examples

			1.358092349796935915229344782948732183383...

Links

Crossrefs

Cf. A198755.

Programs

  • Mathematica
    a = 1; b = -4; c = 1;
f[x_] := a*x^2 + b*Cos[x]; g[x_] := c
Plot[{f[x], g[x]}, {x, -3, 3}, {AxesOrigin -> {0, 0}}]
r = x /. FindRoot[f[x] == g[x], {x, 1.3, 1.4}, WorkingPrecision -> 110]
RealDigits[r] (* A198838 *)

A198839 Decimal expansion of x>0 satisfying x^2-4*cos(x)=2.

Original entry on oeis.org

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

Views

Author

Clark Kimberling, Oct 30 2011

Keywords

Comments

See A198755 for a guide to related sequences. The Mathematica program includes a graph.

Examples

			1.5047101068509454997772514490777096571888...

Links

Crossrefs

Cf. A198755.

Programs

  • Mathematica
    a = 1; b = -4; c = 2;
f[x_] := a*x^2 + b*Cos[x]; g[x_] := c
Plot[{f[x], g[x]}, {x, -3, 3}, {AxesOrigin -> {0, 0}}]
r = x /. FindRoot[f[x] == g[x], {x, 1.5, 1.51}, WorkingPrecision -> 110]
RealDigits[r] (* A198839 *)

A198840 Decimal expansion of x > 0 satisfying x^2 - 4*cos(x) = 3.

Original entry on oeis.org

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

Views

Author

Clark Kimberling, Oct 30 2011

Keywords

Comments

See A198755 for a guide to related sequences. The Mathematica program includes a graph.

Examples

			1.644647274313462717714642325568159246705870...

Links

Crossrefs

Cf. A198755.

Programs

  • Mathematica
    a = 1; b = -4; c = 3;
f[x_] := a*x^2 + b*Cos[x]; g[x_] := c
Plot[{f[x], g[x]}, {x, -3, 3}, {AxesOrigin -> {0, 0}}]
r = x /. FindRoot[f[x] == g[x], {x, 1.6, 1.65}, WorkingPrecision -> 110]
RealDigits[r] (* A198840 *)

Extensions

Offset corrected by Georg Fischer, Aug 05 2021

A198841 Decimal expansion of x>0 satisfying x^2-4*cos(x)=4.

Original entry on oeis.org

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

Views

Author

Clark Kimberling, Oct 30 2011

Keywords

Comments

See A198755 for a guide to related sequences. The Mathematica program includes a graph.

Examples

			1.780117223413346889590385878902835882546201940...

Links

Crossrefs

Cf. A198755.

Programs

  • Mathematica
    a = 1; b = -4; c = 4;
f[x_] := a*x^2 + b*Cos[x]; g[x_] := c
Plot[{f[x], g[x]}, {x, -3, 3}, {AxesOrigin -> {0, 0}}]
r = x /. FindRoot[f[x] == g[x], {x, 1.7, 1.8}, WorkingPrecision -> 110]
RealDigits[r] (* A198841 *)

A198842 Decimal expansion of x>0 satisfying x^2-4*cos(x)=-1.

Original entry on oeis.org

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

Views

Author

Clark Kimberling, Oct 30 2011

Keywords

Comments

See A198755 for a guide to related sequences. The Mathematica program includes a graph.

Examples

			1.0297040007360545584116792679829069589455888...

Links

Crossrefs

Cf. A198755.

Programs

  • Mathematica
    a = 1; b = -4; c = -1;
f[x_] := a*x^2 + b*Cos[x]; g[x_] := c
Plot[{f[x], g[x]}, {x, -3, 3}, {AxesOrigin -> {0, 0}}]
r = x /. FindRoot[f[x] == g[x], {x, 1.02, 1.03}, WorkingPrecision -> 110]
RealDigits[r]  (* A198842 *)

A198843 Decimal expansion of x>0 satisfying x^2-4*cos(x)=-2.

Original entry on oeis.org

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

Views

Author

Clark Kimberling, Oct 30 2011

Keywords

Comments

See A198755 for a guide to related sequences. The Mathematica program includes a graph.

Examples

			0.832296462420454815832689639154838273923273...

Links

Crossrefs

Cf. A198755.

Programs

  • Mathematica
    a = 1; b = -4; c = -2;
f[x_] := a*x^2 + b*Cos[x]; g[x_] := c
Plot[{f[x], g[x]}, {x, -3, 3}, {AxesOrigin -> {0, 0}}]
r = x /. FindRoot[f[x] == g[x], {x, .83, .84}, WorkingPrecision -> 110]
RealDigits[r] (* A198843 *)

A198844 Decimal expansion of x>0 satisfying x^2-4*cos(x)=-3.

Original entry on oeis.org

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

Views

Author

Clark Kimberling, Oct 30 2011

Keywords

Comments

See A198755 for a guide to related sequences. The Mathematica program includes a graph.

Examples

			0.582813003471813832199948801104970598587534532...

Links

Crossrefs

Cf. A198755.

Programs

  • Mathematica
    a = 1; b = -4; c = -3;
f[x_] := a*x^2 + b*Cos[x]; g[x_] := c
Plot[{f[x], g[x]}, {x, -3, 3}, {AxesOrigin -> {0, 0}}]
r = x /. FindRoot[f[x] == g[x], {x, .58, .59}, WorkingPrecision -> 110]
RealDigits[r] (* A198844 *)

A198868 Decimal expansion of x>0 satisfying 3*x^2+cos(x)=2.

Original entry on oeis.org

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

Views

Author

Clark Kimberling, Oct 31 2011

Keywords

Comments

See A198755 for a guide to related sequences. The Mathematica program includes a graph.

Examples

			0.63039866399359938644070486177704499...

Links

Crossrefs

Cf. A198755.

Programs

  • Mathematica
    a = 3; b = 1; c = 2;
f[x_] := a*x^2 + b*Cos[x]; g[x_] := c
Plot[{f[x], g[x]}, {x, -2, 2}, {AxesOrigin -> {0, 0}}]
r = x /. FindRoot[f[x] == g[x], {x, .6, .7}, WorkingPrecision -> 110]
RealDigits[r] (* A198868 *)
Previous Showing 31-40 of 105 results. Next

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