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 1-2 of 2 results.

A099804 Records for terms in the continued fraction of Soldner's constant.

Original entry on oeis.org

1, 2, 4, 47, 99, 294, 527, 616, 1152, 1456, 2638, 2705, 4105, 31772, 88683, 90658, 95845, 237245, 1387437, 5499408, 12672729, 110482114
Offset: 1

Views

Author

Eric W. Weisstein, Oct 26 2004

Keywords

Crossrefs

Cf. A070769 (decimal expansion of Soldner's constant).

Programs

  • Mathematica
    f = FindRoot[LogIntegral@x, {x, 3/2}, WorkingPrecision -> 2^17][[1, 2]]; cf = ContinuedFraction@f; k = 1; mx = 0; lst = {}; len = Length@ cf; While[k < len, If[cf[[k]] > mx, mx = cf[[k]]; AppendTo[lst, cf[[k]]]]; k++ ]; lst (* Robert G. Wilson v, Aug 05 2010 *)

Extensions

a(15) from Robert G. Wilson v, Aug 05 2010
More terms from Eric W. Weisstein, Sep 16 2013
a(21)-a(22) from Eric W. Weisstein, Oct 07 2013

A229230 Positions of incrementally largest terms in the continued fraction of Soldner's constant.

Original entry on oeis.org

0, 1, 2, 11, 69, 125, 201, 584, 1591, 2435, 2543, 4813, 9602, 12147, 122446, 172037, 185124, 203717, 319849, 471163, 3876852, 4491253
Offset: 1

Views

Author

Eric W. Weisstein, Sep 16 2013

Keywords

Comments

Correctly indexed version of A099805 with [a_0; a_1, a_2, ...] = [1; 2, 4, 1, 1, 1, 3, ...]

Crossrefs

Cf. A070769 (decimal expansion of Soldner's constant).
Cf. A099805 (= a(n) - 1).

Formula

a(n) = A099805(n) - 1.

Extensions

a(21)-a(22) from Eric W. Weisstein, Oct 07 2013
Showing 1-2 of 2 results.