311431

Appears in sequences

• Convolution of L(n+1) := A000204(n+1) (Lucas), n>=0, with L(n+8), n>=0.at n=12A067986
• Number of length n+3 0..4 arrays with no four elements in a row with pattern aabb (possibly a=b) and new values 0..4 introduced in 0..4 order.at n=7A242545