A198730 - OEIS

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A198730

Decimal expansion of the least x>0 that gives the absolute minimum of sin(x)+sin(2x)+sin(3x)+sin(4x).

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

(list; constant; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

See A198677 for a guide to related sequences.

LINKS

Table of n, a(n) for n=1..99.

EXAMPLE

x=5.764569445617181108633794876455734774725510...

min=-3.232384871111452330884269520493428181450...

MATHEMATICA

n = 4; f[t_] = Sin[t]; s[t_] := Sum[f[k*t], {k, 1, n}];