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A007155 (2^(2^n))*(3^(3^n - 2^n)).
(Formerly M2055)
+0
1
2, 12, 3888, 297538935552, 675089708540070294583610393745358848, 202089899117162771494026986677587201812698520846319037282893739002965043835199487594696085800714664172178112512 (list; graph; listen)
OFFSET

0,1

REFERENCES

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.

MAPLE

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

CROSSREFS

Sequence in context: A003042 A000887 A118542 this_sequence A074200 A048830 A038081

Adjacent sequences: A007152 A007153 A007154 this_sequence A007156 A007157 A007158

KEYWORD

nonn

AUTHOR

njas

page 1

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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