%I #25 Feb 05 2020 21:33:20
%S 2,1,3,0,7,8,9,7,3,6,5,7,2,8,6,4,7,5,8,1,2,3,0,3,9,5,7,5,0,0,6,2,2,1,
%T 1,7,6,0,8,3,6,9,5,9,8,6,5,3,7,2,6,7,8,9,6,9,5,6,8,5,8,9,5,1,7,0,1,9,
%U 2,4,3,3,9,5,1,5,0,7,6,5,4,7,2,0,1,1,6,2,2,9,0,7,3,4,8,9,0,1,3,9
%N Decimal expansion of Pi^Pi - e^e.
%e 21.30789736572864758123039575006221176...
%t RealDigits[Pi^Pi - Exp[E], 10, 100][[1]] (* _Amiram Eldar_, Jan 09 2020 *)
%o (PARI) Pi^Pi - exp(exp(1)) \\ _Michel Marcus_, Jan 09 2020
%Y Cf. A073233, A073226, A331189.
%K nonn,cons
%O 2,1
%A _Ahmad J. Masad_, Jan 08 2020