Number of (n+1) X 7 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) nondecreasing in column and row directions, respectively.

A204649

Number of (n+1) X 7 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) nondecreasing in column and row directions, respectively.

Terms

    a(0) =132a(1) =200a(2) =434a(3) =938a(4) =1918a(5) =3702a(6) =6780a(7) =11868a(8) =19969a(9) =32450a(10) =51134a(11) =78404a(12) =117324a(13) =171774a(14) =246604a(15) =347804a(16) =482695a(17) =660138a(18) =890766a(19) =1187236a(20) =1564506a(21) =2040134a(22) =2634604a(23) =3371676a(24) =4278765a(25) =5387346a(26) =6733390a(27) =8357828a(28) =10307048a(29) =12633422

External references