Which composite number is n^n ?: a(n) = k such that A002808(k) = n^n, or 0 if n^n is not composite.
A065895
Which composite number is n^n ?: a(n) = k such that A002808(k) = n^n, or 0 if n^n is not composite.
Terms
- a(0) =0a(1) =1a(2) =17a(3) =201a(4) =2679a(5) =41834a(6) =757857a(7) =15699344a(8) =366719682a(9) =9544947488a(10) =274049557236
External references
- oeis: A065895