Number of nX4 0..1 arrays with every element both equal and not equal to some elements at offset (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero.
A278090
Number of nX4 0..1 arrays with every element both equal and not equal to some elements at offset (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero.
Terms
- a(0) =0a(1) =10a(2) =66a(3) =670a(4) =6285a(5) =61123a(6) =588464a(7) =5678912a(8) =54772100a(9) =528291059a(10) =5095556995a(11) =49147698150a(12) =474042768177
External references
- oeis: A278090