OFFSET
1,1
LINKS
Vaclav Kotesovec, Table of n, a(n) for n = 1..500
EXAMPLE
2.208258813287175709084349680730347326245868074198770676727659915398266...
MAPLE
evalf(sum(tan(1/n^2), n=1..infinity), 120); # Vaclav Kotesovec, Oct 20 2014
MATHEMATICA
(* N[Sum[Tan[1/n^2], {n, 1, Infinity}], 120], yields only 25 correct decimals *)
PROG
(PARI) default(realprecision, 120); sumpos(n=1, tan(1/n^2)) \\ Vaclav Kotesovec, Oct 20 2014
CROSSREFS
KEYWORD
AUTHOR
Clark Kimberling, Oct 18 2014
STATUS
approved