2008846980

Appears in sequences

• Expansion of (1 - 2*x + 5*x^2) / (1 - 3*x)^2.at n=17A167682
• Smallest number m such that repeated application of A235600 takes n steps to reach 1, where A235600(k) = k/A007953(k) if the digital sum A007953(k) divides k, A235600(k) = k otherwise.at n=8A235601