Number of irreducible matrices X of all sizes with nonnegative integral entries satisfying X^2 = nX.
A280782
Number of irreducible matrices X of all sizes with nonnegative integral entries satisfying X^2 = nX.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =15a(4) =42a(5) =99a(6) =262a(7) =633a(8) =1592a(9) =3897a(10) =9697a(11) =23767a(12) =58804a(13) =144541
External references
- oeis: A280782