Number of idempotent n X n 0..6 matrices of rank n-1.
A224331
Number of idempotent n X n 0..6 matrices of rank n-1.
Terms
- a(0) =1a(1) =26a(2) =291a(3) =2740a(4) =24005a(5) =201678a(6) =1647079a(7) =13176680a(8) =103766409a(9) =807072130a(10) =6214455467a(11) =47455841820a(12) =359873467213
External references
- oeis: A224331