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 1-3 of 3 results.

A092742 Decimal expansion of 1/Pi^2.

Original entry on oeis.org

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

Views

Author

Mohammad K. Azarian, Apr 12 2004

Keywords

Comments

The asymptotic density of squarefree numbers that are divisible by 5. - Amiram Eldar, Mar 25 2021

Examples

			0.101321183642337771443879463209727638904358774672246548845609...
		

References

  • Steven R. Finch, Mathematical Constants, Encyclopedia of Mathematics and its Applications, vol. 94, Cambridge University Press, 2003, Section 3.6.1, p. 220.

Crossrefs

Cf. A000796 (Pi), A002388 (Pi^2), A091925 (Pi^3), A092425 (Pi^4), A092731 (Pi^5), A092732 (Pi^6), A092735 (Pi^7), A092736 (Pi^8).
Cf. A049541 (1/Pi), A092743 (1/Pi^3), A092744 (1/Pi^4), A092745 (1/Pi^5), A092746 (1/Pi^6), A092747 (1/Pi^7), A092748 (1/Pi^8).

Programs

A092746 Decimal expansion of Pi^(-6).

Original entry on oeis.org

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

Views

Author

Mohammad K. Azarian, Apr 12 2004

Keywords

Examples

			0.00104016147329585229...
		

Crossrefs

Programs

  • Maple
    evalf(1/Pi^6,100) ; # R. J. Mathar, May 12 2025
  • Mathematica
    Join[{0,0},RealDigits[Pi^-6,10,120][[1]]] (* Harvey P. Dale, Aug 16 2016 *)

Formula

Equals A092743^2 = 1/A092732. - R. J. Mathar, May 12 2025

A179706 Decimal expansion of e^(1/Pi).

Original entry on oeis.org

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

Views

Author

Bronte Harkaitz (bronteharkaitz(AT)yahoo.com), Jul 25 2010

Keywords

Examples

			e^(1/Pi) = 1.37480222743935863178...
1.3748022274... = 1 + A049541 + A092742/2! + A092743/3! + A092744/4! + A092745/5! + ... - _R. J. Mathar_, Jul 28 2010
		

Crossrefs

Cf. A001113 (decimal expansion of e, Euler's number), A000796 (decimal expansion of Pi).

Programs

Formula

log(this number) = A049541. - R. J. Mathar, Jul 28 2010

Extensions

Edited and extended by Klaus Brockhaus, Jul 29 2010
More digits from R. J. Mathar, Jul 28 2010
Showing 1-3 of 3 results.