0,1

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

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.

[seq((2^(2^n))*(3^(3^n - 2^n)), n=0..5)];

Sequence in context: A003042 A000887 A118542 this_sequence A074200 A048830 A038081

Adjacent sequences: A007152 A007153 A007154 this_sequence A007156 A007157 A007158

nonn

N. J. A. Sloane (njas(AT)research.att.com).