Triangle read by rows: T(n, k) is the number of invertible n X n matrices over GF(2) that can be optimally row-reduced in k steps, n >= 0, k >= 0.

A381854

Triangle read by rows: T(n, k) is the number of invertible n X n matrices over GF(2) that can be optimally row-reduced in k steps, n >= 0, k >= 0.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =2a(4) =2a(5) =1a(6) =1a(7) =6a(8) =24a(9) =51a(10) =60a(11) =24a(12) =2a(13) =1a(14) =12a(15) =96a(16) =542a(17) =2058a(18) =5316a(19) =7530a(20) =4058a(21) =541a(22) =6a(23) =1a(24) =20a(25) =260a(26) =2570a(27) =19680a(28) =117860a(29) =540470

External references