Number of 5 X 5 matrices with nonnegative integer entries and row and column sums equal to n.

A003438

Number of 5 X 5 matrices with nonnegative integer entries and row and column sums equal to n.

Terms

    a(0) =1a(1) =120a(2) =6210a(3) =153040a(4) =2224955a(5) =22069251a(6) =164176640a(7) =976395820a(8) =4855258305a(9) =20856798285a(10) =79315936751a(11) =272095118010a(12) =854560160105

External references