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A116527 Number of singular n X n rational {0,1}-matrices with no zero rows or columns and with all rows distinct and all columns distinct, up to permutation of rows. 4
0, 0, 0, 75, 22365, 13303500, 21058940420, 98692672142610 (list; graph; refs; listen; history; internal format)
OFFSET

1,4

FORMULA

a(n) = A094000(n) - A088389(n).

CROSSREFS

Cf. A000410, A116506, A116507, A116532.

Sequence in context: A206696 A114910 A093275 * A085404 A110100 A003745

Adjacent sequences:  A116524 A116525 A116526 * A116528 A116529 A116530

KEYWORD

more,nonn

AUTHOR

Vladeta Jovovic (vladeta(AT)eunet.rs), Apr 03 2006

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Last modified February 16 19:46 EST 2012. Contains 205952 sequences.