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.

A159703 Decimal expansion of (2487411+1629850*sqrt(2))/967^2.

Original entry on oeis.org

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

Views

Author

Klaus Brockhaus, Apr 21 2009

Keywords

Comments

Equals lim_{n -> infinity} b(n)/b(n-1) for n mod 3 = 0, b = A130017.
Equals lim_{n -> infinity} b(n)/b(n-1) for n mod 3 = 1, b = A159701.

Examples

			(2487411+1629850*sqrt(2))/967^2 = 5.12503833820501467270...
		

Crossrefs

Cf. A130017, A159701, A002193 (decimal expansion of sqrt(2)), A159702 (decimal expansion of (969+44*sqrt(2))/967).

Programs

  • Magma
    (2487411 +1629850*Sqrt(2))/967^2; // G. C. Greubel, May 22 2018
  • Mathematica
    RealDigits[(2487411+1629850*Sqrt[2])/967^2, 10, 100][[1]] (* G. C. Greubel, May 22 2018 *)
  • PARI
    (2487411 +1629850*sqrt(2))/967^2 \\ G. c. Greubel, May 22 2018
    

Formula

Equals (1850 +881*sqrt(2))/(1850 -881*sqrt(2)).
Equals (3 +2*sqrt(2))*(44 -sqrt(2))^2/(44 +sqrt(2))^2.