Number of (n+1) X (2+1) 0..2 arrays with every 2 X 2 subblock summing to 2 4 or 6.
A251329
Number of (n+1) X (2+1) 0..2 arrays with every 2 X 2 subblock summing to 2 4 or 6.
Terms
- a(0) =171a(1) =1115a(2) =7393a(3) =49937a(4) =343299a(5) =2399159a(6) =17016861a(7) =122275189a(8) =888413951a(9) =6515113419a(10) =48143621385a(11) =357960521241
External references
- oeis: A251329