a(0) = 3; for n >= 1, if a(n-1) = 2*k, then a(n) = k, otherwise 1 + (A065091(n)*a(n-1)), where A065091(n) gives the n-th odd prime.

A140948

a(0) = 3; for n >= 1, if a(n-1) = 2*k, then a(n) = k, otherwise 1 + (A065091(n)*a(n-1)), where A065091(n) gives the n-th odd prime.