Number of permutations sigma such that sigma^5=Id; degree-n permutations of order dividing 5.
A052501
Number of permutations sigma such that sigma^5=Id; degree-n permutations of order dividing 5.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =25a(6) =145a(7) =505a(8) =1345a(9) =3025a(10) =78625a(11) =809425a(12) =4809025a(13) =20787625a(14) =72696625a(15) =1961583625a(16) =28478346625a(17) =238536558625
External references
- oeis: A052501