Number of nX5 binary arrays with rows and columns lexicographically nondecreasing and column sums nonincreasing.

A266467

Number of nX5 binary arrays with rows and columns lexicographically nondecreasing and column sums nonincreasing.

Terms

    a(0) =2a(1) =7a(2) =28a(3) =137a(4) =735a(5) =4074a(6) =22128a(7) =113677a(8) =544142a(9) =2417707a(10) =9991874a(11) =38585111a(12) =139969744a(13) =479482160a(14) =1558677189a(15) =4829461991a(16) =14318767180a(17) =40765225229a(18) =111787710303a(19) =296081929163a(20) =759290568963

External references