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A071303 1/2 number of n X n 0..3 matrices with MM' mod 4 = I. 0
1, 8, 192, 12288, 1966080, 1509949440 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

CROSSREFS

Sequence in context: A174091 A052734 A003435 * A128406 A003956 A204820

Adjacent sequences:  A071300 A071301 A071302 * A071304 A071305 A071306

KEYWORD

nonn

AUTHOR

R. H. Hardin (rhhardin(AT)att.net), Jun 11 2002

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Last modified February 17 19:13 EST 2012. Contains 206085 sequences.