Triangular array read by rows. T(n,k) is the number of n X n matrices over GF(2) with index k, n>=1, 1<=k<=n.

A358433

Triangular array read by rows. T(n,k) is the number of n X n matrices over GF(2) with index k, n>=1, 1<=k<=n.

Terms

    a(0) =2a(1) =13a(2) =3a(3) =365a(4) =105a(5) =42a(6) =43801a(7) =12915a(8) =6300a(9) =2520a(10) =21725297a(11) =6412815a(12) =3228960a(13) =1562400a(14) =624960a(15) =43798198753a(16) =12928608063a(17) =6533019360a(18) =3254791680a(19) =1574899200a(20) =629959680

External references