298116

Appears in sequences

• Palindromic squares in base 16.at n=13A029734
• Squares which are the sum of twin prime pairs.at n=15A037072
• Sigma(n) / d(n) is a perfect square associated with A049226.at n=32A049227
• Sigma(n) / d(n) is a perfect square associated with A049226.at n=34A049227
• Squares that are the sum of two consecutive primes.at n=34A062703
• Numbers whose sum of non-unitary divisors is a prime and sets a new record for such primes.at n=25A063760
• Perfect powers which are the sum of twin prime pairs.at n=18A119767
• Square perimeters of primitive Pythagorean triangles.at n=19A120089
• Perfect squares that are a product of two triangular numbers.at n=39A169835
• Perfect squares that are a product of two distinct triangular numbers.at n=10A169836
• Numbers with prime factorization p^2*q^2*r^2*s^2 where p, q, r, and s are distinct primes.at n=5A190377
• Number of bases to which terms of A194946 are pseudoprime.at n=39A195327
• Number of (n+2)X5 binary arrays avoiding patterns 000 and 010 in rows, columns and nw-to-se diagonals.at n=3A202487
• Number of (n+2)X6 binary arrays avoiding patterns 000 and 010 in rows, columns and nw-to-se diagonals.at n=2A202488
• T(n,k)=Number of (n+2)X(k+2) binary arrays avoiding patterns 000 and 010 in rows, columns and nw-to-se diagonals.at n=17A202492
• T(n,k)=Number of (n+2)X(k+2) binary arrays avoiding patterns 000 and 010 in rows, columns and nw-to-se diagonals.at n=18A202492
• Vandermonde sequence using x^2 - xy + y^2 applied to (1,2,...,n).at n=3A203312
• Squares equal to the difference between two successive primes of the form n^2+1.at n=13A216330
• Composite numbers whose number of proper divisors has a number of proper divisors which has a prime number of proper divisors.at n=10A223457
• Areas of primitive Heronian triangles K which are perfect squares.at n=13A248108