668273

Properties

Appears in sequences

• Maximal coefficient of Product_{k<=n} (1 + x^k). Number of solutions to +- 1 +- 2 +- 3 +- ... +- n = 0 or 1.at n=26A025591
• a(i) is a square mod a(j), i <> j; a(n) prime; a(1) = 2.at n=15A034902
• Largest coefficient in expansion of Product_{i=1..n} (1 + (-q)^i).at n=25A039828
• Primes p such that p-30, p, p+30 are consecutive primes.at n=17A053075
• Number of solutions to +- 1 +- 2 +- 3 +- ... +- n = 1.at n=26A063866
• Number of ways of partitioning the set {1...n} into two subsets whose sums are as nearly equal as possible.at n=25A069918
• Prime numbersat n=54188