30469

Properties

Appears in sequences

• Primes p congruent to 1 mod 12 such that (p + 1)/2 does not divide the numerator of the Bernoulli number B(p + 1).at n=30A232039
• Primes p such that A001175(p) = (p-1)/6.at n=36A308791
• a(n) is the integer w such that (c(n)^2, -d(n)^2, -w) is a primitive solution to the Diophantine equation 2*x^3 + 2*y^3 + z^3 = 11^3, where c(n) = F(n+2) + (-1)^n * F(n-3), d(n) = F(n+1) + (-1)^n * F(n-4) and F(n) is the n-th Fibonacci number (A000045).at n=9A356716
• a(n) = 5*a(n-1) + 2*5^n - 1, a(0) = 0.at n=5A392137
• Prime numbersat n=3290