82609

Properties

Appears in sequences

• Pisot sequence E(3,13): a(n) = floor(a(n-1)^2/a(n-2) + 1/2).at n=7A010903
• Pisot sequence T(3,13), a(n) = floor( a(n-1)^2/a(n-2) ).at n=7A010920
• Primes whose 10's complement is a triangular number.at n=32A082992
• Numerators of 1-2*HarmonicNumber(n)/(n+1).at n=10A093762
• Expansion of (1-x)^2/(1-5*x+3*x^2).at n=8A095934
• a(1) = 1, a(n+1) = least prime p > a(n) such that a(n) + p is a square.at n=30A178825
• G.f.: x^4*(2 - x^2 + x^3 + x^4)/(1-x-x^2)^3.at n=18A229732
• Primes p such that 4+p^7, 4+p^9 and 4+p^11 are also prime.at n=0A253937
• Primes of the form n^2 + phi(n).at n=39A264771
• Prime numbersat n=8076