Number of nX4 0..2 arrays with no element equal to more than one of its king-move neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.
A281135
Number of nX4 0..2 arrays with no element equal to more than one of its king-move neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =2a(1) =112a(2) =1046a(3) =2368a(4) =5368a(5) =12064a(6) =27218a(7) =61508a(8) =137320a(9) =303016a(10) =661750a(11) =1436148a(12) =3102354a(13) =6664604a(14) =14249996a(15) =30349780a(16) =64423304a(17) =136341644a(18) =287731246a(19) =605682872a(20) =1272111378a(21) =2666358192a(22) =5578178044a(23) =11649555816a(24) =24290213802
External references
- oeis: A281135