OFFSET
1,2
FORMULA
From Amiram Eldar, Jun 05 2021: (Start)
Equals Pi/2 - A195774.
Equals arcsin(6/sqrt(37)) = arccos(1/sqrt(37)) = arccot(1/6). (End)
EXAMPLE
arctan(6)=1.40564764938026978095219340199580798810...
MATHEMATICA
PROG
(PARI) atan(6) \\ Charles R Greathouse IV, Nov 20 2024
CROSSREFS
KEYWORD
AUTHOR
Clark Kimberling, Sep 24 2011
STATUS
approved