Base-6 representation is the concatenation of the base-6 representations of 1, 2, ..., n, n-1, ..., 1.

A260856

Base-6 representation is the concatenation of the base-6 representations of 1, 2, ..., n, n-1, ..., 1.

Terms

    a(0) =0a(1) =1a(2) =49a(3) =1849a(4) =67081a(5) =2418025a(6) =522134761a(7) =676678989289

External references