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A181232 Number of nX(n+2) binary matrices with all rows unique and all columns unique 3

%I #4 Jun 18 2016 10:24:21

%S 0,24,6720,5644800,16388749440,172145618789760,6709378999665162240,

%T 988932080423985278515200,559938250258499272920457420800,

%U 1233183626500802426354472388092518400,10663689261713618730124837637890877517004800

%N Number of nX(n+2) binary matrices with all rows unique and all columns unique

%F a(n) = A181230(n,n+2).

%Y Second subdiagonal of A181230.

%Y Cf. A088310, A181231, A181233.

%K nonn

%O 1,2

%A _R. H. Hardin_ Oct 10 2010

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Last modified March 29 06:57 EDT 2024. Contains 371265 sequences. (Running on oeis4.)