1028196

Appears in sequences

• Squares expressible as the sum of two positive cubes in at least one way.at n=21A050802
• Palfree squares whose root is the smallest possible greater than 10^n (palfree = contains no palindromic substring except single digits).at n=2A052066
• Squares which produce squares when the leading digit is moved to the end.at n=18A061459
• Solutions to mod(sigma(x), 6) = 5.at n=24A074384
• Squares whose external digits form a square and whose internal digits form a prime.at n=15A076395
• Numbers of the form (6^i)*(13^j), with i, j >= 0.at n=27A107710
• Squares such that square-+5 are primes.at n=21A154711
• Numbers k such that sigma(tau(k)) = rad(k).at n=15A173582
• Integer quotients of k^2 by the sum of the prime distinct divisors of k^2+1, where k = A196219(n).at n=14A196220
• Number of 3 X n 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 1 1 1 vertically.at n=13A207929
• Perfect powers of the form x^3 + y^3 where x and y are positive integers.at n=26A267088
• Perfect powers of the form x^3 + y^3 where x and y are distinct positive integers.at n=17A267416
• Magic sums of 3 X 3 semimagic squares of squares whose rows, columns, and at least one of the two main diagonals sum to the same number.at n=7A271021