32839

Properties

Appears in sequences

• Primes whose 10's complement is a triangular number.at n=19A082992
• Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 1100-0110-0011 pattern in any orientation.at n=10A146452
• a(0)=1, a(1)=4, a(n) = a(n-1) + a(n-2) - 1.at n=21A187893
• Numbers k such that the periodic part of the continued fraction of sqrt(k) has more ones than any smaller k.at n=37A206579
• Least prime p such that pi(p*n) = prime(q*n) for some prime q, where pi(x) denotes the number of primes not exceeding x.at n=58A260197
• Primes of the form 2^x + y (x >= 0 and 0 <= y < 2^x) such that all the numbers 2^(x+a) + (y-a) (0 < a <= y) are composite.at n=33A264866
• Expansion of Sum_{k>=0} (2*k - 1)!!*x^k/Product_{j=1..k} (1 - j*x).at n=6A305404
• Value of prime number D for incrementally largest values of minimal x satisfying the equation x^2 - D*y^2 = 2.at n=40A336786
• Values of prime numbers, D, for incrementally largest values of minimal y satisfying the equation x^2 - D*y^2 = 2.at n=37A336788
• Smaller term p1 of the first of two consecutive cousin prime pairs (p1,p1+4) and (p2,p2+4) such that the distance (p2-p1) is a square.at n=34A339084
• Primes p such that p, x+y, x-y, p-x*y and p+x*y are prime, where y = p mod 5 and x = (p-y)/5.at n=28A342771
• Prime numbersat n=3522