A078353 Number of n X n matrices over an alphabet of size 19.

1, 19, 130321, 322687697779, 288441413567621167681, 93076495688256089536609610280499, 10842505080063916320800450434338728415281531281

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) = 19^(n^2)

Mathematica

Table[19^(n^2), {n, 0, 7}]

Prog

(Magma) [19^(n^2): n in [0..10]]; // Vincenzo Librandi, Jun 05 2011

Crossrefs

Cf. A078352.

Sequence in context: A172751 A350755 A013764 * A347813 A177818 A269446

Adjacent sequences: A078350 A078351 A078352 * A078354 A078355 A078356

Keyword

nonn

Author

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

Status

approved