A026314 a(n) = n-th nonnegative integer k satisfying |cos(k)*cos(k+2)| > (cos(k+1))^2.

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

Offset

1,3

Links

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

Crossrefs

Sequence in context: A075990 A244713 A184927 * A070300 A247879 A360472

Adjacent sequences: A026311 A026312 A026313 * A026315 A026316 A026317

Keyword

nonn

Author

Clark Kimberling

Status

approved