A163584 Number of singularities of tan(x) in integer intervals starting with (0,1).
0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0
Offset: 0
Keywords
Examples
a(0) = 0 because tan(x) has no singularities in the interval (0,1). a(1) = 1 because tan(x) has one singularity in the interval (1,2).
Crossrefs
Cf. A163581.
Formula
For n>0, a(A062389(n)) = 1. - Michel Marcus, Aug 07 2013
Extensions
More terms from Michel Marcus, Aug 07 2013