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A054467 Number of 3 X 3 integer matrices with elements in the range [ -n,n ] which generate a group of order four under binary matrix multiplication. 0
348, 5388, 17628, 46620, 129564, 211356, 342012, 518892, 736668, 1198044 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

CROSSREFS

a(n) = 2*A053173(n).

Sequence in context: A012868 A185713 A129642 * A177174 A139658 A054824

Adjacent sequences:  A054464 A054465 A054466 * A054468 A054469 A054470

KEYWORD

nonn

AUTHOR

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

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Last modified February 15 15:20 EST 2012. Contains 205823 sequences.