Number of n X n 0..1 arrays with every element unequal to 0, 1, 3 or 4 king-move adjacent elements, with upper left element zero.
A303801
Number of n X n 0..1 arrays with every element unequal to 0, 1, 3 or 4 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =5a(2) =9a(3) =38a(4) =100a(5) =316a(6) =1217a(7) =8004a(8) =52464a(9) =501170a(10) =4720512a(11) =60221097a(12) =817581575
External references
- oeis: A303801