OFFSET
1,1
FORMULA
Equals 7*A272487.
EXAMPLE
6.0743723476458136866607566598...
MATHEMATICA
f[R_, s_] := 2*R*s*Sin[Pi/s]; a[n_] := RealDigits[f[1, 7], 10, n][[1]]; a[92] (* Robert P. P. McKone, Aug 24 2023 *)
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
R. J. Mathar, Aug 24 2023
STATUS
approved