Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 3 or 7 king-move adjacent elements, with upper left element zero.
A304772
Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 3 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =16a(1) =120a(2) =139a(3) =443a(4) =1581a(5) =5060a(6) =15349a(7) =50030a(8) =160513a(9) =515542a(10) =1670115a(11) =5376672a(12) =17346725a(13) =55998720a(14) =180570241a(15) =582651967a(16) =1879783901a(17) =6063962633a(18) =19564352043a(19) =63116727780a(20) =203622739528a(21) =656925290314
External references
- oeis: A304772