-2318

Appears in sequences

• (Integer nearest R(10^n)) - pi(10^n), where pi(x) is the number of primes <= x, R(x) = Sum_{ k>=1 } (mu(k)/k * li(x^(1/k))) and li(x) is the Cauchy principal value of the integral from 0 to x of dt/log(t).at n=10A057794
• Expansion of f(x)^3 * f(-x^2) * chi(x^3)^3 in powers of x where chi(), f() are Ramanujan theta functions.at n=51A280384
• Expansion of Product_{k>=1} 1/(1 + x^k)^(k-1).at n=38A319109
• a(n) = Sum_{d|n} (-1)^(d-1)*d^2.at n=43A321543