4456449

Appears in sequences

• a(n) = (n-1)*2^n + 1.at n=18A000337
• a(n) = T(0,n), array T given by A048505.at n=16A048506
• O.g.f.: (1 + 4*x)/((1 + x)*sqrt(1 - 8*x)).at n=8A333565