Number of (n+1)X5 0..1 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) such that rows of b(i,j) and columns of c(i,j) are lexicographically nondecreasing.

A203448

Number of (n+1)X5 0..1 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) such that rows of b(i,j) and columns of c(i,j) are lexicographically nondecreasing.

Terms

    a(0) =64a(1) =174a(2) =1177a(3) =7481a(4) =46853a(5) =265581a(6) =1371532a(7) =6477799a(8) =28186736a(9) =113797303a(10) =429229381a(11) =1522307251a(12) =5106384889a(13) =16285979144a(14) =49619743791a(15) =145033371213a(16) =408217994491

External references