57023domain: NAppears in sequencesa(n) = smallest squarefree number not less than a(n-1)+a(n-2), a(1)=1, a(0)=0.at n=23A118728a(n) = 44*n^2 - 1.at n=35A158628Smallest integer m > 1 such that m!^(m + n) divides (m^2)!.at n=12A244443