Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 4, 5 or 7 king-move adjacent elements, with upper left element zero.
A299091
Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 4, 5 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =7a(2) =20a(3) =125a(4) =2828a(5) =42012a(6) =2170819a(7) =161247816a(8) =20536604982
External references
- oeis: A299091