Number of distinct nonnegative rational numbers that can be obtained in n steps by a straight-line program (SLP) starting at 1 using addition, subtraction, multiplication and division.
A288850
Number of distinct nonnegative rational numbers that can be obtained in n steps by a straight-line program (SLP) starting at 1 using addition, subtraction, multiplication and division.
Terms
- a(0) =1a(1) =3a(2) =6a(3) =16a(4) =58a(5) =321a(6) =2585a(7) =30198
External references
- oeis: A288850