A076781 a(n) = 6^(n^2).

1, 6, 1296, 10077696, 2821109907456, 28430288029929701376, 10314424798490535546171949056, 134713546244127343440523266742756048896, 63340286662973277706162286946811886609896461828096

Offset

0,2

Comments

Number of n X n matrices over an alphabet of size 6.

a(n) = k^(n^2) with k = 2, 3, 4, ... counts n X n matrices over Z/kZ.

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..30

Mathematica

6^Range[0, 12]^2 (* Vladimir Joseph Stephan Orlovsky, Feb 01 2012 *)

Prog

(Magma) [ 6^(n^2): n in [0..10]]; // Vincenzo Librandi, May 30 2011

Crossrefs

Cf. A060757, A060758, A060759, A060760, A060761.

Sequence in context: A067510 A013738 A209590 * A055306 A203331 A172625

Adjacent sequences: A076778 A076779 A076780 * A076782 A076783 A076784

Keyword

nonn

Author

Vincenzo Origlio (vincenzo.origlio(AT)itc.cnr.it), Nov 15 2002

Extensions

More terms from Philippe Deléham, Nov 24 2007

a(5) corrected by Vincenzo Librandi, May 30 2011

Status

approved