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A053170 Number of 3 X 3 integer matrices with elements in the range [ -n,n ] which generate a group of finite order under binary matrix multiplication. +0
5
1584, 13056, 57744, 133440, 307632, 519888, 990288, 1436208, 2108832, 3015648 (list; graph; listen)
OFFSET

1,1

CROSSREFS

a(n) = 2*(1 + A053171(n) + A053172(n) + A053173(n) + A053174(n)).

Sequence in context: A125014 A075460 A023082 this_sequence A159211 A083631 A083632

Adjacent sequences: A053167 A053168 A053169 this_sequence A053171 A053172 A053173

KEYWORD

nonn

AUTHOR

Ralf W. Grosse-Kunstleve (rwgk(AT)cci.lbl.gov), Mar 26 2000

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.


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