Let M_n be the n X n matrix M_(i,j) = i!-j! then the characteristic polynomial of M_n = x^n+a(n)*x^(n-2).
A077123
Let M_n be the n X n matrix M_(i,j) = i!-j! then the characteristic polynomial of M_n = x^n+a(n)*x^(n-2).
Terms
- a(0) =0a(1) =1a(2) =42a(3) =1379a(4) =51676a(5) =2438373a(6) =146581550a(7) =11075609047
External references
- oeis: A077123