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 1-5 of 5 results.

A051553 Decimal expansion of sin (Pi degrees). (Of course sin (Pi radians) = 0.)

Original entry on oeis.org

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

Views

Author

Hsu, Po-Wei (Benny) (arsene_lupin(AT)intekom.co.za)

Keywords

Examples

			0.054803665148789530887748713539833254... [corrected by _Georg Fischer_, Jul 29 2021]

Crossrefs

Cf. A051554, A051555, A051557, A051558, A051559.
Cf. A086463 (Pi^2/18).

Programs

A051555 Decimal expansion of tan(Pi degrees). (Of course, tan(Pi radians) = 0.)

Original entry on oeis.org

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

Views

Author

N. J. A. Sloane

Keywords

Examples

			tan (Pi^2 / 180) = 0.0548861508080033288...

Crossrefs

Cf. A051553, A051554, A051557-A051559.

Programs

A051554 Decimal expansion of cos(Pi degrees). (Of course, cos(Pi radians) = -1.)

Original entry on oeis.org

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

Views

Author

N. J. A. Sloane

Keywords

Examples

			cos( Pi^2 / 180 ) = .99849714986...

Crossrefs

Cf. A051553, A051555, A051557-A051559.

Programs

A051559 Decimal expansion of tan(Pi/2 degrees). (Of course, tan(Pi/2 radians) = infinity.)

Original entry on oeis.org

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

Views

Author

N. J. A. Sloane

Keywords

Examples

			0.027422438...

Crossrefs

Cf. A051553-A051555, A051557, A051558.

Programs

  • Maple
    evalf(tan(Pi^2/360)) ;
  • Mathematica
    Join[{0},RealDigits[Tan[Pi/2 Degree],10,120][[1]]] (* Harvey P. Dale, Sep 05 2015 *)
  • PARI
    tan(Pi^2/360) \\ Charles R Greathouse IV, Nov 05 2017

A051558 Decimal expansion of sin(Pi/2 degrees). (Of course, sin(Pi/2 radians) = 1.)

Original entry on oeis.org

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

Views

Author

N. J. A. Sloane

Keywords

Crossrefs

Cf. A051553-A051555, A051557, A051559.

Programs

Showing 1-5 of 5 results.

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

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