Base-15 representation of a(n) is the concatenation of the base-15 representations of 1, 2, ..., n, n-1, ..., 1.
A260865
Base-15 representation of a(n) is the concatenation of the base-15 representations of 1, 2, ..., n, n-1, ..., 1.
Terms
- a(0) =0a(1) =1a(2) =256a(3) =58081a(4) =13075456a(5) =2942086081a(6) =661970995456
External references
- oeis: A260865