194681

Properties

Appears in sequences

• Number of solutions to k_1 + 2*k_2 + ... + n*k_n = 0, where k_i are from {-1,0,1}, i=1..n.at n=15A007576
• Largest coefficient in expansion of Product_{i=1..n} (1 + q^i + q^(2i)).at n=14A039826
• Duplicate of A007576.at n=15A086821
• Primes of the form 2n^3+9.at n=8A201111
• Primes of the form 8n^2 - 7.at n=32A201858
• Primitive prime factors of the cyclotomic polynomial sequence Phi(5,k) in the order in which they occur.at n=37A256153
• Numbers n such that the sum of the distinct prime factors of prime(n)-1 and prime(n+1)-1 are the same.at n=35A259562
• Prime numbersat n=17545