%I #2 Mar 31 2012 13:21:11
%S 4,17,64,183,560,2036,6397,20414,79204,262714,870210,3640880
%N Iterates of A122227, starting from A122227(4)=17.
%o (Scheme:) (define (A122231 n) (if (= 1 n) 4 (A122227 (A122231 (- n 1)))))
%Y Cf. A122232, A122233.
%K nonn
%O 1,1
%A _Antti Karttunen_, Sep 14 2006