247067

Properties

Appears in sequences

• Primes of form p = 2 + Sum_{k = 1..m} k^2 for some m.at n=17A065244
• Primes p such that 2^j+p^j are primes for j=0,1,2,4.at n=25A094487
• Triangle formed by coefficients of the expansion of p(x, n), where p(x,n) = (1 + 2*x - x^2)^(n + 1)*Sum_{j >= 0} (j+1)^n*(-2*x + x^2)^j.at n=58A156901
• Prime numbersat n=21801