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

A266359

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

Terms

    a(0) =6a(1) =34a(2) =173a(3) =830a(4) =3669a(5) =14921a(6) =55734a(7) =191916a(8) =612871a(9) =1827072a(10) =5118950a(11) =13561326a(12) =34161206a(13) =82219937a(14) =189887848a(15) =422385924a(16) =907900116a(17) =1891159167a(18) =3827190045a(19) =7541618443a(20) =14499264935a(21) =27245395504a(22) =50118187760a(23) =90379795961a(24) =159985071253

External references