152587890624domain: NAppears in sequencesa(n) = 5^n - 1.at n=16A024049Inverse modulo 2 binomial transform of 5^n.at n=16A100738a(n) = 0^n + 5^n - 1.at n=16A103455a(n) = (6*n + 1)^(2*n) - 1.at n=4A164278a(n) = 5^n-(-1)^n.at n=16A274072a(n) = Sum_{d|n} mu(n/d)*5^(d-1).at n=16A295506