Number of nX4 0..1 arrays with every element equal to 1, 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero.

A298385

Number of nX4 0..1 arrays with every element equal to 1, 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =2a(1) =52a(2) =223a(3) =996a(4) =5180a(5) =26926a(6) =135226a(7) =690918a(8) =3547086a(9) =18140017a(10) =92825596a(11) =475512514a(12) =2435109783a(13) =12469673140a(14) =63863260360a(15) =327072500829

External references