Base-5 representation of a(n) is the concatenation of the base-5 representations of 1, 2, ..., n, n-1, ..., 1.
A260855
Base-5 representation of a(n) is the concatenation of the base-5 representations of 1, 2, ..., n, n-1, ..., 1.
Terms
- a(0) =0a(1) =1a(2) =36a(3) =961a(4) =24336a(5) =3034961a(6) =1896581836
External references
- oeis: A260855