Denominator of Euler(n, 1/5).

Terms

a(0) =1a(1) =10a(2) =25a(3) =500a(4) =625a(5) =6250a(6) =15625a(7) =625000a(8) =390625a(9) =3906250a(10) =9765625a(11) =195312500a(12) =244140625a(13) =2441406250a(14) =6103515625a(15) =488281250000a(16) =152587890625