271446

Appears in sequences

• a(n) = Lucas(4*n+2) + 3, or Lucas(2*n)*Lucas(2*n+2).at n=6A081077
• Number of Dyck paths of semilength n such that the maximal number of peaks per level equals five.at n=9A288746
• a(n) = L(n)^2 - 5*(-1)^n = L(n+1)*L(n-1), where L = A000032.at n=13A292696
• a(n) = Lucas(n) + 3.at n=25A366506