OFFSET
1,2
FORMULA
(distance, (Pi/4,sqrt(1/2)), (5Pi/4,-sqrt(1/2)) = sqrt(Pi^2 + 2).
EXAMPLE
distance = 1.7226146116506557877109721658709...
MATHEMATICA
r = N[(1/4) Sqrt[Pi^2 + 32], 120]
RealDigits[r][[1]]
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Jul 01 2020
STATUS
approved