Number of non-isomorphic n X n nonnegative integer matrices with all row and column sums equal to 5 up to permutations of rows and columns.
A333736
Number of non-isomorphic n X n nonnegative integer matrices with all row and column sums equal to 5 up to permutations of rows and columns.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =13a(4) =106a(5) =1856a(6) =65481a(7) =3925518a(8) =363749095a(9) =48962187281
External references
- oeis: A333736