Number of n X n 0..1 arrays with every element equal to 0, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero.
A298630
Number of n X n 0..1 arrays with every element equal to 0, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =5a(2) =2a(3) =15a(4) =34a(5) =163a(6) =462a(7) =2134a(8) =7520a(9) =41965a(10) =217707a(11) =1299151a(12) =7616244a(13) =53563038
External references
- oeis: A298630