login
A288239
Decimal expansion of the limiting ratio of consecutive terms of A288229.
2
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
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
KEYWORD
nonn,cons,easy
AUTHOR
Clark Kimberling, Jul 11 2017
STATUS
approved