24269

Appears in sequences

• Expansion of psi(x^6) / psi(-x) in powers of x where psi() is a Ramanujan theta function.at n=48A132217
• Numbers n such that m=(n^2+1)/2, p=(m^2+1)/2 and q=(p^2+1)/2 are all prime.at n=15A188546
• Expansion of f(-x^3)^3 / (f(x)^2 * f(-x^2)) in powers of x where f() is a Ramanujan theta function.at n=16A262151
• Expansion of f(-x, -x^5) * f(x^3, x^5) / f(-x, -x^2)^2 in powers of x where f(, ) is Ramanujan's general theta function.at n=24A262987
• Integers k such that (2^k - 1) + (3^k - 1) + (5^k - 1) is prime.at n=15A270817