Number of idempotent 5X5 0..n matrices of rank 1.

A224527

Number of idempotent 5X5 0..n matrices of rank 1.

Terms

    a(0) =405a(1) =2155a(2) =5845a(3) =13525a(4) =24575a(5) =44545a(6) =69195a(7) =107925a(8) =156505a(9) =223355a(10) =301605a(11) =413755a(12) =535845a(13) =694695a(14) =882245

External references