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Iterates of A122237 starting from the initial value 6.
2

%I #3 Mar 31 2012 13:21:20

%S 6,18,48,141,431,1427,4692,15417,52833,189576,667458,2303485,8261483,

%T 30854617,112235989,396544978,1457813051,5573491517,20668205325,

%U 74283571059,277368667214,1076038620556,4041473193751,14706699067814

%N Iterates of A122237 starting from the initial value 6.

%C See the illustrations at A179755.

%H A. Karttunen, <a href="/A179754/b179754.txt">Table of n, a(n) for n = 1..1024</a>

%F a(1) = 6, a(n) = A122237(A179754(a(n-1))).

%o (Scheme:) (define (A179754 n) (if (= 1 n) 6 (A122237 (A179754 (-1+ n)))))

%Y a(n+1) = A127307(A179756(n)).

%K nonn

%O 1,1

%A _Antti Karttunen_, Aug 03 2010