Number of (n+1) X (2+1) 0..2 arrays with every 2 X 2 subblock summing to 1, 2, 3, 4, 5, 6, or 7.
A251367
Number of (n+1) X (2+1) 0..2 arrays with every 2 X 2 subblock summing to 1, 2, 3, 4, 5, 6, or 7.
Terms
- a(0) =695a(1) =17969a(2) =464393a(3) =12002283a(4) =310199103a(5) =8017100977a(6) =207202101873
External references
- oeis: A251367