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A026314 a(n) = n-th nonnegative integer k satisfying |cos(k)*cos(k+2)| > (cos(k+1))^2. 0
0, 1, 4, 7, 10, 13, 16, 19, 20, 22, 23, 26, 29, 32, 35, 38, 41, 42, 44, 45, 48, 51, 54, 57, 60, 63, 64, 66, 67, 70, 73, 76, 79, 82, 85, 86, 88, 89, 92, 95, 98, 101, 104, 107, 108, 110, 111, 114, 117, 120, 123, 126, 129, 130, 132, 133, 136 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..57.

CROSSREFS

Sequence in context: A075990 A244713 A184927 * A070300 A247879 A190084

Adjacent sequences:  A026311 A026312 A026313 * A026315 A026316 A026317

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified July 5 07:58 EDT 2020. Contains 335462 sequences. (Running on oeis4.)