%I A053292
%S A053292 1,4,480,1488000,116064000000,226614960000000000,
%T A053292 11064475422000000000000000,13506266841692625000000000000000000,
%U A053292 412177498341354683437500000000000000000000000
%N A053292 Number of nonsingular n X n matrices over GF(5).
%H A053292 J. Overbey, W. Traves and J. Wojdylo, <a href="http://jeff.over.bz/papers/
               undergrad/on-the-keyspace-of-the-hill-cipher.pdf">On the Keyspace 
               of the Hill Cipher</a>
%F A053292 (5^n - 1)(5^n - 5)...(5^n - 5^(n-1))
%Y A053292 Cf. A002884, A053290, A053291, A053293.
%Y A053292 Cf. A003789.
%Y A053292 Sequence in context: A104690 A035483 A145570 this_sequence A053963 A053941 
               A027678
%Y A053292 Adjacent sequences: A053289 A053290 A053291 this_sequence A053293 A053294 
               A053295
%K A053292 nonn,easy
%O A053292 0,2
%A A053292 Stephen G. Penrice (spenrice(AT)ets.org), Mar 04 2000
%E A053292 More terms from Vladeta Jovovic (vladeta(AT)eunet.rs), Mar 16 2000