Use same rules as A047988. Sequence gives smallest numbers which require n steps to reach 2.
A061390
Use same rules as A047988. Sequence gives smallest numbers which require n steps to reach 2.
Terms
- a(0) =3a(1) =5a(2) =7a(3) =14a(4) =38a(5) =172a(6) =823a(7) =6185a(8) =87223a(9) =1940494
External references
- oeis: A061390