912950domain: NAppears in sequencesSmallest integer m > n such that both n*m and (n+1)*(m+1) are squares.at n=38A212651Numbers k such that core(k+1) = core(k)+1 and k is not squarefree, where core(k) = A007913(k).at n=17A260198Numbers n such that n and n+1 both have 36 divisors.at n=12A274809