159745

Appears in sequences

• a(n) = 3*n*2^(n-1) + 1.at n=13A048474
• a(n) = T(0,n), array T given by A048505.at n=12A048506
• Expansion of x(1-x^2-x^3)/((1-x)(1-x-x^2))^2.at n=19A113684