236208

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 81.at n=5A031759
• a(n) can be expressed as the difference of the squares of consecutive primes in just three distinct ways.at n=15A090783
• Numbers that can be expressed as the difference of the squares of primes in exactly thirteen distinct ways.at n=0A092009
• Least number that can be expressed as the difference of the squares of primes in exactly n distinct ways.at n=12A092204
• Numerators of expansion of eta(5t)^2*eta(10t)^(13/5)*eta(20t)^(-9/5)*eta(40t)^(6/5).at n=67A135468
• Numbers k such that k^3 - 1 and k^3 + 1 are both semiprimes.at n=20A268043