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
Vincenzo Librandi, Table of n, a(n) for n = 0..25
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
KEYWORD
nonn
AUTHOR
Vincenzo Origlio (vincenzo.origlio(AT)itc.cnr.it), Nov 25 2002
STATUS
approved