OFFSET
1,1
COMMENTS
See A198677 for a guide to related sequences.
EXAMPLE
x=5.764569445617181108633794876455734774725510...
min=-3.232384871111452330884269520493428181450...
MATHEMATICA
n = 4; f[t_] = Sin[t]; s[t_] := Sum[f[k*t], {k, 1, n}];
x = N[Minimize[s[t], t], 110]; u = Part[x, 1]
v = t /. Part[x, 2]
RealDigits[u] (* A198729 *)
RealDigits[v] (* A198730 *)
Plot[s[t], {t, -3 Pi, 3 Pi}]
RealDigits[Minimize[Plus@@Sin[x*Range[4]], x], 10, 100][[1, 1]] (* Harvey P. Dale, Dec 14 2020 *)
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Oct 29 2011
STATUS
approved