34085873

Appears in sequences

• a(n) = 2^(n-1) + (2 + (-1)^n)^((n-2)/2).at n=25A085613
• First subdiagonal of triangular array T: T(j,1) = 1 for ((j-1) mod 6) < 3, else 0; T(j,k) = T(j-1,k-1) + T(j-1,k) for 2 <= k <= j.at n=26A131023
• a(n) = 3^n + 2^(2*n + 1).at n=11A213659