1,5

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

X. Gordon, Mathematical Constants and Computations

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

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.

(PARI) \\ Arctangent numbers at n

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

Sequence in context: A081832 A034887 A192543 * A285524 A209356 A099741

Adjacent sequences: A082961 A082962 A082963 * A082965 A082966 A082967

easy,nonn

Cino Hilliard, May 27 2003

approved