180675domain: NAppears in sequencesa(n) = n^3 + (n+1)^3 + (n+2)^3 + (n+3)^3 + (n+4)^3.at n=31A027604Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 17.at n=26A031695a(n) = 289n^2 + 2n.at n=24A158254