50459

Properties

Appears in sequences

• a(n) = 60*n^2 - 1.at n=28A158670
• List of primes p1 such that (p1,p2) are twin primes where both 2*p1+p2 and p1+2*p2 are primes.at n=20A174920
• Number of ballot sequences of length n having largest descent 5.at n=6A244201
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 779", based on the 5-celled von Neumann neighborhood.at n=34A273540
• Initial member of 6 consecutive primes a, b, c, d, e, f such that both (f + a)/(d - c) and (e + b)/(d - c) are prime.at n=21A293619
• G.f. A(x) satisfies: 1 - x = Sum_{n>=0} x^n * (x^n + (-1)^n*A(x))^n.at n=12A352816
• Primes having only {0, 4, 5, 9} as digits.at n=41A386071
• Prime numbersat n=5177