52273

Appears in sequences

• Strong pseudoprimes to base 47.at n=18A020273
• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 26.at n=9A031614
• Number of 4 X 4 symmetric magic squares with line sum 2n.at n=16A093198
• a(n) = 48*n^2 + 1.at n=33A158638
• For odd n, this is the number of partitions of n*(n-1)/2 with all part sizes between 3 and n, inclusive. For even n, this is the number of partitions of n*(n-2)/2 with all part sizes between 3 and n, inclusive.at n=10A176042