107609

Properties

Appears in sequences

• a(n) = [ (3rd elementary symmetric function of S(n))/(first elementary symmetric function of S(n)) ], where S(n) = {first n+2 positive integers congruent to 2 mod 3}.at n=21A024399
• Primes of the form 16*m^2 + 25 for m=1,2,3,...at n=31A087857
• Numerators of upper primes-only best approximates (POBAs) to Pi; see Comments.at n=21A265810
• Number of partitions of [n] whose non-singleton elements sum to n.at n=46A370946
• Prime numbersat n=10241