%I A007155 M2055
%S A007155 2,12,3888,297538935552,675089708540070294583610393745358848,
%T A007155 2020898991171627714940269866775872018126985208463190372828937390029650438351994875946960858007146641721781125\
               12
%N A007155 (2^(2^n))*(3^(3^n - 2^n)).
%D A007155 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A007155 J. Berman, ``Free spectra of 3-element algebras,'' in R. S. Freese and 
               O. C. Garcia, editors, Universal Algebra and Lattice Theory (Puebla, 
               1982), Lect. Notes Math. Vol. 1004, 1983.
%p A007155 [seq((2^(2^n))*(3^(3^n - 2^n)),n=0..5)];
%Y A007155 Sequence in context: A003042 A000887 A118542 this_sequence A074200 A048830 
               A038081
%Y A007155 Adjacent sequences: A007152 A007153 A007154 this_sequence A007156 A007157 
               A007158
%K A007155 nonn
%O A007155 0,1
%A A007155 N. J. A. Sloane (njas(AT)research.att.com).