75380domain: NAppears in sequencesn written in fractional base 9/7.at n=45A024655Indices of primes in sequence defined by A(0) = 93, A(n) = 10*A(n-1) + 43 for n > 0.at n=13A101015a(n) = Sum_{1 <= i <= j <= k <= m <= n} gcd(i,j,k,m).at n=33A344992