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A126333 Ackermann's function A(n,0). 5


%S 1,2,3,5,13,65533

%N Ackermann's function A(n,0).

%H R. G. Wilson v, <a href="/A126333/a126333.pdf">Letter to N. J. A. Sloane, Nov. 1988</a>

%F A(0,n)=1+n, A(m+1,0)=A(m,1), A(m+1;n+1)=A(m,A(m+1,n)).

%Y Cf. A014221, A001695.

%K nonn

%O 0,2

%A Philippe LALLOUET (philip.lallouet(AT)wanadoo.fr), Mar 10 2007

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Last modified August 10 10:09 EDT 2022. Contains 356039 sequences. (Running on oeis4.)