Number of nX4 0..1 arrays with every element unequal to 2, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero.
A304763
Number of nX4 0..1 arrays with every element unequal to 2, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =18a(2) =103a(3) =1321a(4) =14831a(5) =172574a(6) =1999511a(7) =23203301a(8) =269239457a(9) =3124340783a(10) =36256268039a(11) =420735862555
External references
- oeis: A304763