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A163584 Number of singularities of tan(x) in integer intervals starting with (0,1). 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 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..75.

FORMULA

For n>0, a(A062389(n)) = 1. - Michel Marcus, Aug 07 2013

EXAMPLE

For n = 0, a(n) = 0 because tan(x) has no singularities in the interval (0,1). For n = 1, a(n) = 1 because tan(x) has one singularity in the interval (1,2).

CROSSREFS

Cf. A163581.

Sequence in context: A283683 A118605 A175253 * A286655 A272170 A126565

Adjacent sequences:  A163581 A163582 A163583 * A163585 A163586 A163587

KEYWORD

nonn

AUTHOR

A. Timothy Royappa, Jul 31 2009

EXTENSIONS

More terms from Michel Marcus, Aug 07 2013

STATUS

approved

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Last modified February 21 19:40 EST 2019. Contains 320376 sequences. (Running on oeis4.)