244036

Appears in sequences

• Squares the sum of the squares of whose digits are squares.at n=25A061090
• a(n) = smallest number k such that k - ms(k) = n, or 0 if no such number has been found, where ms(k) = sum of divisors of k other than k.at n=11A082730
• Near-multiperfects with primes, powers of 2, 6 * prime and 2^n * prime excluded, abs(sigma(n) mod n) <= log(n).at n=24A117350
• Square perimeters of primitive Pythagorean triangles.at n=18A120089
• Lexicographically earliest subsequence of the perfect powers in A001597 such that first differences are an increasing sequence of primes.at n=13A137354
• Squares k such that, if k has d digits, k has at least one digit in common with every other d-digit square.at n=13A173943
• Squares not divisible by 10 with digits d_1, d_2, ... d_k such that d_1^2 + ... + d_k^2 is a square.at n=16A254959
• Number of minimum total dominating sets in the n-prism graph.at n=51A303053
• Perfect powers y^m with y > 1 and m > 1 which are Brazilian repdigits with three or more digits > 1 in some base.at n=7A307745
• Squares m such that beta(m) = (tau(m) - 1)/2 where beta(m) is the number of Brazilian representations of m and tau(m) is the number of divisors of m.at n=9A326710
• Deficient numbers k > 1 such that k*p is abundant for all primes p dividing k.at n=18A341358