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%I #2 Mar 31 2012 13:21:11
%S 0,1,3,8,20,55,160,493,1579,5212,17595,60462,210749,743284,2647461,
%T 9509504
%N Iterates of A122227, starting from 0.
%o (Scheme:) (define (A122228 n) (if (zero? n) 0 (A122227 (A122228 (- n 1)))))
%Y Cf. A122229, A122230, A106191.
%K nonn
%O 0,3
%A _Antti Karttunen_, Sep 14 2006