Number of (n+1) X (1+1) 0..2 arrays with every 2 X 2 subblock summing to 2 3 4 5 or 6.
A251383
Number of (n+1) X (1+1) 0..2 arrays with every 2 X 2 subblock summing to 2 3 4 5 or 6.
Terms
- a(0) =71a(1) =571a(2) =4585a(3) =36825a(4) =295759a(5) =2375387a(6) =19077905a(7) =153224073a(8) =1230618167a(9) =9883701979a(10) =79380889561a(11) =637547109465
External references
- oeis: A251383