OFFSET
0,4
EXAMPLE
arccot(9)=0.11065722117389564655913987221006210597528609500...
MATHEMATICA
(See A195785.)
PROG
(PARI) atan(1/9) \\ Charles R Greathouse IV, Nov 21 2024
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Sep 24 2011
STATUS
approved