50849

Properties

Appears in sequences

• Denominators of continued fraction convergents to sqrt(798).at n=4A042539
• a(n) = -a(n-1) -a(n-2) -a(n-3) +a(n-4), a(0)=0, a(1)=1, a(2)=-1, a(3)=0.at n=47A100329
• Primes of the form ((p+1)/2)^2+((p-1)/2), where p is prime.at n=36A163419
• Primes of form n^4 + n^2 - 1.at n=8A174819
• G.f. satisfies: A(x)^2 = x + A(x*A(x)^5).at n=5A241997
• Smallest odd prime number Q such that Q*2^P+1 is also prime, where P is a Mersenne prime exponent A000043(n).at n=21A249384
• Number of even-length strict integer partitions of 2n+1.at n=41A343942
• Number of strict odd-length integer partitions of 2n + 1.at n=41A346634
• a(1) = 1. For n > 1, a(n) is the least odd prime p which cannot be represented as the sum of a subset of the previous terms.at n=18A379045
• Prime numbersat n=5208