Number of nX6 0..1 arrays with every element equal to 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
A298961
Number of nX6 0..1 arrays with every element equal to 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =5a(2) =5a(3) =34a(4) =91a(5) =360a(6) =1144a(7) =4062a(8) =13794a(9) =47972a(10) =164529a(11) =567553a(12) =1953217a(13) =6732815a(14) =23189914a(15) =79894441a(16) =275211747a(17) =948122291a(18) =3266225384a(19) =11252104514a(20) =38762888085a(21) =133536840437a(22) =460029356546
External references
- oeis: A298961