Number of nX4 binary matrices with no initial bit string in any row or column divisible by 6.

A181038

Number of nX4 binary matrices with no initial bit string in any row or column divisible by 6.

Terms

    a(0) =1a(1) =6a(2) =18a(3) =108a(4) =410a(5) =2128a(6) =8877a(7) =42883a(8) =186732a(9) =872119a(10) =3875520a(11) =17814874a(12) =79942755a(13) =364719182a(14) =1644428972a(15) =7475300460a(16) =33782717781a(17) =153302897126a(18) =693611114280

External references