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A135046 Number of 3 X 3 singular integer matrices with elements from {1,...,n}. 0
1, 248, 3975, 29104, 119405, 436818, 1105537, 2790818, 5902335, 12074356 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..10.

CROSSREFS

Sequence in context: A109476 A121732 A028525 * A027654 A003916 A007245

Adjacent sequences:  A135043 A135044 A135045 * A135047 A135048 A135049

KEYWORD

nonn

AUTHOR

Graziano Aglietti (mg5055(AT)mclink.it), Feb 11 2008

STATUS

approved

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Last modified January 17 16:53 EST 2019. Contains 319235 sequences. (Running on oeis4.)