A078352 Number of n X n matrices over an alphabet of size 18.

1, 18, 104976, 198359290368, 121439531096594251776, 24088659210943104643915283693568, 1548139828427760582529495524831238344488779776

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) = 18^(n^2).

Mathematica

Table[18^(n^2), {n, 0, 7}]
18^(Range[0, 10]^2) (* Wesley Ivan Hurt, Mar 01 2023 *)

Prog

(Magma) [18^(n^2): n in [0..10]]; // Vincenzo Librandi, Jun 05 2011

Crossrefs

Cf. A078351.

Sequence in context: A290177 A259364 A013762 * A215577 A071098 A259164

Adjacent sequences: A078349 A078350 A078351 * A078353 A078354 A078355

Keyword

nonn

Author

Vincenzo Origlio (vincenzo.origlio(AT)itc.cnr.it), Nov 25 2002

Status

approved