Number of endofunctions on [n] that are the 7th power of an endofunction.
A247054
Number of endofunctions on [n] that are the 7th power of an endofunction.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =21a(4) =148a(5) =1305a(6) =13806a(7) =169681a(8) =2357560a(9) =36407241a(10) =621268930
External references
- oeis: A247054