Number of nX3 array permutations with each element making zero or one king moves.

A189248

Number of nX3 array permutations with each element making zero or one king moves.

Terms

    a(0) =3a(1) =152a(2) =2961a(3) =76629a(4) =1818336a(5) =44308389a(6) =1070959431a(7) =25950094568a(8) =628311228261

External references