Number of permutations on n points admitting a fifth root.
A215716
Number of permutations on n points admitting a fifth root.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =24a(5) =96a(6) =576a(7) =4032a(8) =32256a(9) =290304a(10) =2612736a(11) =28740096a(12) =344881152a(13) =4483454976a(14) =62768369664a(15) =878757175296
External references
- oeis: A215716