154626

Appears in sequences

• a(n) = Sum_{k=0..floor((n-2)/3)} 2^k * |Stirling1(n,3*k+2)|.at n=9A357833
• Row sums of the triangle A391318, given by T(n,k) = T(n-1,k) + T(n-1,k-1) + T(n-2,k-1) + 1, with T(0,0) = T(n,-1) = T(n,n+1) = 0.at n=13A391272