Base-14 representation of a(n) is the concatenation of the base-14 representations of 1, 2, ..., n, n-1, ..., 1.

A260864

Base-14 representation of a(n) is the concatenation of the base-14 representations of 1, 2, ..., n, n-1, ..., 1.

Terms

    a(0) =0a(1) =1a(2) =225a(3) =44521a(4) =8732025a(5) =1711559641a(6) =335466848025

External references