Numbers of form 5^k (values of k see A050726) containing no pair of consecutive equal digits (probably finite).

A050735

Numbers of form 5^k (values of k see A050726) containing no pair of consecutive equal digits (probably finite).

Terms

    a(0) =1a(1) =5a(2) =25a(3) =125a(4) =625a(5) =3125a(6) =15625a(7) =78125a(8) =390625a(9) =1953125a(10) =9765625a(11) =6103515625a(12) =30517578125a(13) =152587890625a(14) =762939453125

External references