login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A082964 a(n) = m given by arctan(tan(n)) = n - m*Pi. 0
0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10, 10, 10, 11, 11, 11, 11, 12, 12, 12, 13, 13, 13, 14, 14, 14, 15, 15, 15, 16, 16, 16, 17, 17, 17, 18, 18, 18, 18, 19, 19, 19, 20, 20, 20, 21, 21, 21, 22, 22, 22, 23, 23, 23, 24, 24, 24, 25, 25, 25 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

LINKS

Table of n, a(n) for n=1..79.

X. Gordon, Mathematical Constants and Computations

Cino Hilliard, Qfloat BCX arctan(tan(-3)) etc

EXAMPLE

For n = 11 a(11) = (arctan(tan(11))-11)/Pi = -4;

For n = 12 a(12) = (arctan(tan(12))-12)/Pi = -4;

For n = 13 a(13) = (arctan(tan(13))-13)/Pi = -4;

For n = 14 a(14) = (arctan(tan(14))-14)/Pi = -4.

PROG

(PARI) \\ Arctangent numbers at n

numbers(n) = { for(x=1, n, m=(atan(tan(x))-x)/Pi; print1(floor(abs(m)+.5), ", ") ) }

CROSSREFS

Sequence in context: A081832 A034887 A192543 * A285524 A209356 A099741

Adjacent sequences:  A082961 A082962 A082963 * A082965 A082966 A082967

KEYWORD

easy,nonn

AUTHOR

Cino Hilliard, May 27 2003

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 5 04:30 EDT 2020. Contains 335459 sequences. (Running on oeis4.)