298777

Properties

Appears in sequences

• Sums of antidiagonals of A223968.at n=19A223940
• a(n) is the least prime p such that (p^2-2*n)/(2*n-1) and (p^2+2*n)/(2*n+1) are both prime, or 0 if such p does not exist.at n=29A344463
• Prime numbersat n=25906