44247domain: NAppears in sequencesOrdered sequence of distinct terms of the form floor(x^i * floor(x^j)), i,j >= 0, where x = sqrt(7).at n=38A022771Numbers k such that x^k + x^7 + 1 is irreducible over GF(2).at n=45A057477"Primitive" numbers k such that k divides 4^k - 1.at n=22A323203