380741
domain: N
Appears in sequences
- Numbers equal to the sum of the prime factors, with multiplicity, of the previous and of the following k numbers, for some k.at n=7A287923
- 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=12A356716