%I #7 Jan 11 2020 15:57:47
%S 4,4,6,27,
%T 13407807929942597099574024998205846127479365820592393377723561443721764030073546976801874298166903427690031858186486050853753882811946569946433649006084096
%N H_n(n,3) where H_n is the n-th hyperoperator.
%C For hyperoperator definitions and links, see A054871.
%e H_0(0,3) = 3+1 = 4;
%e H_1(1,3) = 1+3 = 4;
%e H_2(2,3) = 2*3 = 6;
%e H_3(3,3) = 3^3 = 27;
%e H_4(4,3) = 4^^3 = 4^4^4 = 4^256 = 13407807929942597099574024998205846127479365820592393377723561443721764030073546976801874298166903427690031858186486050853753882811946569946433649006084096.
%K nonn
%O 0,1
%A _Natan Arie Consigli_, Oct 25 2015
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