91141

Properties

Appears in sequences

• Number of n-element posets which are unions of 2 chains.at n=12A006251
• Numerators of continued fraction convergents to sqrt(586).at n=9A042122
• a(n) = 1 + Sum(prime(i)*(2*i-1): 1<=i<=n).at n=32A083215
• Primes of the form (prime(k-1)+1)*(prime(k+1)-1) + 1, k>1.at n=15A087106
• Primes q of the form a^3+b^2, such that p =A130467(n)= a^2+b^3 is prime and smaller than q; p < q ; b < a.at n=19A130468
• Greatest prime factor of n^6+1.at n=32A240549
• Primes p such that p minus its digit sum is a perfect cube.at n=27A245064
• G.f. A(x) satisfies: A(x) = A(x^2 + x^3) / x.at n=28A350432
• Numbers k such that k^4*2^k - 1 is a prime.at n=19A367102
• Prime numbersat n=8814