Number of nX7 0..3 arrays with exactly floor(nX7/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..3 order.
A222521
Number of nX7 0..3 arrays with exactly floor(nX7/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..3 order.
Terms
- a(0) =10a(1) =0a(2) =1318a(3) =221659a(4) =3661130a(5) =403328822a(6) =13336494115
External references
- oeis: A222521