cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A258202 Natural numbers n that have the property that starting from k = n, the fixed point of the map k -> floor(tan(k)) is strictly positive, while the smallest number encountered during the iteration is strictly negative.

Original entry on oeis.org

121, 143, 476, 498, 831, 853, 1076, 1186, 1208, 1541, 1563, 1786, 1896, 1918, 2251, 2273, 2606, 2628, 2961, 2983, 3316, 3338, 3561, 3671, 3693, 4026, 4048, 4381, 4403, 4736, 4758, 5091, 5113, 5336, 5446, 5468, 5801, 5823, 6156, 6178, 6511, 6533, 6866, 6888, 7221, 7243, 7576, 7598, 7821, 7931, 7953, 8286, 8308, 8641, 8663, 8996, 9018
Offset: 1

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Author

Antti Karttunen, May 26 2015

Keywords

Comments

Numbers n for which A258021(n) > 0 and A258201(n) < 0.

Crossrefs

Complement of A258203 in A258024.