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%I #36 Jan 28 2013 18:16:45
%S 3,36,80662,2598761979625197,
%T 2672496879634073073044276636697073994497970453122
%N Floor((Pi^Pi)^Pi)^...^Pi).
%C a(6) has more than 140 decimal digits and is too big to display. - _L. Edson Jeffery_, Jan 28 2013
%F a(n) = floor((Pi^Pi)^Pi)^...^Pi) (Pi appears n times).
%F a(n) = floor(Pi^(Pi^(n-1))). - _Charles R Greathouse IV_, Jan 28 2013
%e Pi^Pi = 36.4621596072079, so a(2) = 36.
%t Floor[NestList[#^Pi &, Pi, 5]] (* _Alonso del Arte_, Jan 28 2013 *)
%o (PARI) a(n)=Pi^Pi^n--\1 \\ _Charles R Greathouse IV_, Jan 28 2013
%Y Cf. A000796, A073236, A096232.
%K nonn
%O 1,1
%A _Jon Perry_, Jan 25 2013
%E a(4) corrected by _L. Edson Jeffery_ and _Alonso del Arte_, Jan 28 2013
%E a(5) added by _L. Edson Jeffery_, Jan 28 2013
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