Number of n X n 0..1 arrays with every element equal to 1, 2, 3 or 5 king-move adjacent elements, with upper left element zero.
A297944
Number of n X n 0..1 arrays with every element equal to 1, 2, 3 or 5 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =4a(2) =56a(3) =948a(4) =23840a(5) =938557a(6) =53630550a(7) =4667940027a(8) =616122541550
External references
- oeis: A297944