Number of 5 X n binary arrays with rows and columns lexicographically nondecreasing and column sums nonincreasing.

A266472

Number of 5 X n binary arrays with rows and columns lexicographically nondecreasing and column sums nonincreasing.

Terms

    a(0) =6a(1) =19a(2) =67a(3) =232a(4) =735a(5) =2090a(6) =5371a(7) =12645a(8) =27639a(9) =56726a(10) =110334a(11) =204903a(12) =365538a(13) =629531a(14) =1050952a(15) =1706538a(16) =2703140a(17) =4187021a(18) =6355333a(19) =9470138a(20) =13875377a(21) =20017232a(22) =28468369a(23) =39956595a(24) =55398509a(25) =75938776a(26) =102995704a(27) =138313857a(28) =184024492

External references