A288239 Decimal expansion of the limiting ratio of consecutive terms of A288229.

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

Offset

1,2

Links

Table of n, a(n) for n=1..86.

Example

1.9878445175009702132085952971222...

Mathematica

z = 2000; r = Pi/2;
u = CoefficientList[Series[1/Sum[Floor[(k + 1)*r] (-x)^k, {k, 0, z}], {x, 0, z}], x];  (* A288229 *)
v = N[u[[z]]/u[[z - 1]], 200]
RealDigits[v, 10][[1]](* A288239 *)

Crossrefs

Cf. A288229, A078140 (includes guide to related constants).

Sequence in context: A347201 A021905 A200688 * A163243 A060799 A094146

Adjacent sequences: A288236 A288237 A288238 * A288240 A288241 A288242

Keyword

nonn,cons,easy

Author

Clark Kimberling, Jul 11 2017

Status

approved