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A185185 - OEIS
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A185185
Indices of record values in A177413.
1
0, 1, 2, 4, 6, 19, 29, 53, 2035, 3995, 5328, 10141, 14675, 292557
OFFSET
1,3
LINKS
Eric Weisstein's World of Mathematics, Dottie Number.
FORMULA
A177413(a(n)) = A184952(n).
MATHEMATICA
z = x /. FindRoot[x == Cos[x], {x, 0},
WorkingPrecision -> 1000000]; data = ContinuedFraction[z];
g[list_] :=
Delete[list,
Transpose[{DeleteCases[
Table[If[list[[n]] < list[[n - 1]], n, no], {n, 2,
Length[list]}], no]}]]; p =
FixedPoint[g, DeleteDuplicates[data]]; Flatten[
Map[Position[data, #, 1, 1] &, p, {1}]]-1
CROSSREFS
KEYWORD
nonn,hard,more
AUTHOR
Ben Branman, Dec 22 2011
EXTENSIONS
Offset changed by Andrew Howroyd, Aug 10 2024
STATUS
approved