%I A126333
%S A126333 1,2,3,5,13,65533
%N A126333 Ackermann's function A(n,0).
%F A126333 A(0,n)=1+n, A(m+1,0)=A(m,1), A(m+1;n+1)=A(m,A(m+1,n))
%Y A126333 Cf. A014221, A001695.
%Y A126333 Sequence in context: A006985 A042907 A115347 this_sequence A039575 A143743 
               A104870
%Y A126333 Adjacent sequences: A126330 A126331 A126332 this_sequence A126334 A126335 
               A126336
%K A126333 nonn
%O A126333 0,2
%A A126333 Philippe LALLOUET (philip.lallouet(AT)wanadoo.fr), Mar 10 2007