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A078354
Number of n X n matrices over an alphabet of size 20.
1
1, 20, 160000, 512000000000, 655360000000000000000, 335544320000000000000000000000000, 68719476736000000000000000000000000000000000000
OFFSET
0,2
COMMENTS
a(n) = k^(n^2) with k = 2, 3, 4, ... counts n X n matrices over an alphabet of size k.
LINKS
FORMULA
a(n) = 20^(n^2).
MATHEMATICA
Table[20^(n^2), {n, 0, 7}]
PROG
(Magma) [20^(n^2): n in [0..10]]; // Vincenzo Librandi, Jun 05 2011
CROSSREFS
Sequence in context: A175853 A340167 A013766 * A203306 A211489 A172669
KEYWORD
nonn
AUTHOR
Vincenzo Origlio (vincenzo.origlio(AT)itc.cnr.it), Nov 25 2002
STATUS
approved