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

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

Offset: 0

Author

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

Keywords

• nonn

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

Crossrefs

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

Programs

Magma

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

Mathematica

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

Extensions

More terms from Philippe Deléham, Nov 24 2007

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