%I #7 Jan 31 2020 14:47:37

%S 1,0,0,1104,413088,329520720,491236986720,1181472603447024,

%T 4293813878010363168,22458802092186671702160,

%U 162578056150830848930694240,1578225306620809383358117044144,20018143307386606584084592083087648,324613983359213454501611571669979410000

%N Number of binary matrices with n columns and any number of distinct nonzero rows with 3 ones in every column.

%H Andrew Howroyd, <a href="/A331641/b331641.txt">Table of n, a(n) for n = 0..100</a>

%Y Row n=3 of A331567.

%Y Cf. A331640.

%K nonn

%O 0,4

%A _Andrew Howroyd_, Jan 23 2020