OFFSET
1,1
LINKS
Eric Weisstein's World of Mathematics, Gamma Function.
FORMULA
Equals Product_{k=1..6} Gamma(k/3) = (8/27)*Pi^2 = (8/27)*A002388 (cf. eqs. 87 and 88 in Weisstein link).
Equals 2*A214549. - Hugo Pfoertner, Oct 11 2024
EXAMPLE
2.9243272299524025537287380740373781141670220...
MATHEMATICA
First[RealDigits[8/27*Pi^2, 10, 100]]
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Paolo Xausa, Oct 11 2024
STATUS
approved