159541

Properties

Appears in sequences

• a(1)=a(2)=1; a(n) = a(n-2) + a(n-1) + (number of terms from among {a(1), a(2), ..., a(n-1)} which are prime).at n=24A128609
• Positive integers m such that 2*m^2 - 1 = x^4 + y^4 for some nonnegative integers x and y with |x - y| > 1.at n=12A343913
• Primes that are partial sums of the semiprimes.at n=32A347366
• The maximal norm of an additively indecomposable element in Shanks' simplest cubic field Q[x]/(x^3 - n*x^2 - (n+3)*x - 1).at n=44A387575
• Prime numbersat n=14643