Unchanging value maps: number of nX4 binary arrays indicating the locations of corresponding elements unequal to no horizontal, antidiagonal or vertical neighbor in a random 0..1 nX4 array.
A219152
Unchanging value maps: number of nX4 binary arrays indicating the locations of corresponding elements unequal to no horizontal, antidiagonal or vertical neighbor in a random 0..1 nX4 array.
Terms
- a(0) =7a(1) =21a(2) =104a(3) =531a(4) =2708a(5) =13725a(6) =69784a(7) =354500a(8) =1800573a(9) =9147029a(10) =46470551a(11) =236075721a(12) =1199269936a(13) =6092401321a(14) =30950120371a(15) =157229758186a(16) =798741995975
External references
- oeis: A219152