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

Author

A. Timothy Royappa, Jul 31 2009

Keywords

• nonn

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