Triangular array read by rows. T(n,k) is the number of Green's H-classes contained in the D-class of rank k matrices in the semigroup Mat_n(F_2) of n X n matrices over the field F_2. n>=0, 0<=k<=n.
A359313
Triangular array read by rows. T(n,k) is the number of Green's H-classes contained in the D-class of rank k matrices in the semigroup Mat_n(F_2) of n X n matrices over the field F_2. n>=0, 0<=k<=n.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =9a(5) =1a(6) =1a(7) =49a(8) =49a(9) =1a(10) =1a(11) =225a(12) =1225a(13) =225a(14) =1a(15) =1a(16) =961a(17) =24025a(18) =24025a(19) =961a(20) =1a(21) =1a(22) =3969a(23) =423801a(24) =1946025a(25) =423801a(26) =3969a(27) =1a(28) =1a(29) =16129
External references
- oeis: A359313