a(n) = (concatenation in ascending order of divisors of 5^n)/5^n.

A077353

a(n) = (concatenation in ascending order of divisors of 5^n)/5^n.

Terms

    a(0) =1a(1) =3a(2) =61a(3) =12201a(4) =2440201a(5) =4880402001

External references