Number of nX4 0..1 arrays with every element equal to 2, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
A299550
Number of nX4 0..1 arrays with every element equal to 2, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =6a(2) =31a(3) =220a(4) =2034a(5) =17565a(6) =160089a(7) =1456436a(8) =13302816a(9) =121652326a(10) =1112865108a(11) =10182885689a(12) =93181023707a(13) =852706356608
External references
- oeis: A299550