Number of nX4 0..1 arrays with every element unequal to 1, 2, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero.
A305688
Number of nX4 0..1 arrays with every element unequal to 1, 2, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =2a(1) =98a(2) =1151a(3) =16658a(4) =236246a(5) =3346848a(6) =47448563a(7) =672609073a(8) =9534641574a(9) =135159448496
External references
- oeis: A305688