Number of (n+1) X 5 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.

A204647

Number of (n+1) X 5 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) =48a(1) =90a(2) =178a(3) =330a(4) =571a(5) =938a(6) =1478a(7) =2248a(8) =3317a(9) =4766a(10) =6690a(11) =9198a(12) =12415a(13) =16482a(14) =21558a(15) =27820a(16) =35465a(17) =44710a(18) =55794a(19) =68978a(20) =84547a(21) =102810a(22) =124102a(23) =148784a(24) =177245a(25) =209902a(26) =247202a(27) =289622a(28) =337671a(29) =391890

External references