Number of idempotent n X n 0..4 matrices of rank n-1.
A224329
Number of idempotent n X n 0..4 matrices of rank n-1.
Terms
- a(0) =1a(1) =18a(2) =147a(3) =996a(4) =6245a(5) =37494a(6) =218743a(7) =1249992a(8) =7031241a(9) =39062490a(10) =214843739a(11) =1171874988a(12) =6347656237a(13) =34179687486a(14) =183105468735a(15) =976562499984
External references
- oeis: A224329