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.

A239528 Decimal expansion of a constant related to A048285.

Original entry on oeis.org

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

Views

Author

Vaclav Kotesovec, Mar 21 2014

Keywords

Examples

			0.11997651274807789673049840043129207628207...
		

Crossrefs

Cf. A048285.

Programs

  • Mathematica
    RealDigits[N[(Sqrt[5]-3)/(Sqrt[5]-5)*Sum[(-1)^k*x^(2*k)/Product[(1-x)*(1-x^i)-x,{i,2,k+1}],{k,0,300}]/.x->(3-Sqrt[5])/2,60]][[1]]

Formula

Equals lim n->infinity A048285(n)/((3+sqrt(5))/2)^n.