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A080775 Number of n X n monomial matrices whose nonzero entries are unit Hurwitz quaternions. 0
1, 24, 1152, 82944, 7962624, 955514880, 137594142720, 23115815976960, 4438236667576320, 958659120196485120, 230078188847156428800, 60740641855649297203200, 17493304854426997594521600, 5457911114581223249490739200, 1833858134499291011828888371200, 660188928419744764258399813632000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..15.

FORMULA

a(n) = 24^n*n!.

CROSSREFS

Cf. A000165, A047053, A051189.

Sequence in context: A114051 A269092 A010562 * A191744 A323994 A090675

Adjacent sequences: A080772 A080773 A080774 * A080776 A080777 A080778

KEYWORD

nonn

AUTHOR

Artur Jasinski, Mar 11 2003

STATUS

approved

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Last modified December 4 09:27 EST 2022. Contains 358556 sequences. (Running on oeis4.)