Sum of neighbor maps: number of nX3 binary arrays indicating the locations of corresponding elements equal to the sum mod 4 of their horizontal and vertical neighbors in a random 0..3 nX3 array.
A220802
Sum of neighbor maps: number of nX3 binary arrays indicating the locations of corresponding elements equal to the sum mod 4 of their horizontal and vertical neighbors in a random 0..3 nX3 array.
Terms
- a(0) =8a(1) =48a(2) =512a(3) =4096a(4) =30766a(5) =262144a(6) =2097152a(7) =16728064a(8) =134217728a(9) =1073741824a(10) =8587150368a(11) =68719476736a(12) =549755813888
External references
- oeis: A220802