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A212004
Decimal expansion of (2*Pi)^4.
2
1, 5, 5, 8, 5, 4, 5, 4, 5, 6, 5, 4, 4, 0, 3, 8, 9, 9, 5, 7, 8, 3, 0, 4, 5, 3, 2, 3, 0, 1, 9, 2, 8, 1, 7, 7, 9, 9, 9, 5, 6, 4, 1, 3, 7, 0, 7, 6, 2, 9, 6, 6, 7, 4, 7, 0, 6, 3, 4, 8, 5, 7, 5, 0, 2, 3, 9, 5, 3, 3, 6, 8, 7, 3, 0, 9, 2, 3, 5, 1, 3, 9, 0, 4, 1, 9
OFFSET
4,2
FORMULA
Equals Product_{k=1..15, gcd(k,15)==1} Gamma(k/15). - Amiram Eldar, Jun 12 2021
EXAMPLE
1558.545456544038995783...
MATHEMATICA
RealDigits[(2*Pi)^4, 10, 100][[1]] (* Amiram Eldar, Jun 12 2021 *)
PROG
(PARI) 16*Pi^4 \\ Charles R Greathouse IV, Oct 01 2022
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Omar E. Pol, Aug 11 2012
STATUS
approved