344569

Appears in sequences

• Squares with digits in nondecreasing order.at n=30A028820
• Squares of primes having digits in nondecreasing order.at n=14A028866
• sigma(n)-n is a perfect square associated with A049226.at n=38A049228
• Numbers n such that sigma(d(n^3))==d(sigma(n^2)), where d(n) is the number of divisors of n.at n=37A063797
• Squares of A006450: a(n) = prime(prime(n))^2.at n=27A092769
• G.f.: Sum_{n>=0} x^n*Sum_{k=0..n} (-1)^k * C(n,k)^2 * Sum_{j=0..k} C(k,j)^2 * x^j.at n=6A245925
• Squares that remain squares if you decrease them by 3 times a repunit with the same number of digits.at n=5A273230
• Perfect powers whose digits are in nondecreasing order.at n=32A355062
• Number of total dominating sets in the n-trapezohedral graph.at n=8A362751
• Squares whose base-3 expansion has no 0.at n=23A363428