91393

Properties

Appears in sequences

• T(2n,n-1), T given by A026703.at n=7A026705
• Primes with 23 as smallest positive primitive root.at n=26A061335
• Let f(n,x) = 1 + 4x + 6x^2 + 8x^3 + 9x^4 + ... + composite(n)*x^n; a(n)= smallest prime f(n,x), or 0 if no such prime exists.at n=4A088124
• Primes of the form 512n+257.at n=29A105131
• a(n)*a(n-9) = a(n-1)*a(n-8)+a(n-4)+a(n-5) with initial terms a(1)=...=a(9)=1.at n=30A133847
• Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 3,0 3,1 4,1 5,2 6,3 polyhexes in any orientation on a planar nXnXn triangular grid.at n=8A155385
• Primes p such that the polynomial k^4 + k^3 + k^2 + k + p yields only primes for k = 0...5.at n=26A247949
• Prime numbersat n=8838