Number of nX4 0..1 arrays with no element equal to more than three of its king-move neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.
A281161
Number of nX4 0..1 arrays with no element equal to more than three of its king-move neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =0a(1) =18a(2) =477a(3) =4744a(4) =27229a(5) =136138a(6) =619502a(7) =2648442a(8) =10801150a(9) =42551822a(10) =163239272a(11) =612961308a(12) =2261647383a(13) =8223780452a(14) =29535123698a(15) =104951937704a(16) =369520911863
External references
- oeis: A281161