31543

Properties

Appears in sequences

• "CGK" (necklace, element, unlabeled) transform of 2,2,2,2,...at n=18A032156
• Primes of the form 2*n^2 + 90*n + 43.at n=9A217621
• Primes p such that the polynomial k^4 + k^3 + k^2 + k + p yields only primes for k = 0...5.at n=19A247949
• Number of length-n 0..2 arrays with no repeated value differing from the previous repeated value by one.at n=9A269488
• The first prime of 8 consecutive primes a, b, c, d, e, f, g, h such that a + g = c + e and b + h = d + f.at n=31A292618
• Numbers k such that 341*2^k+1 is prime.at n=23A322963
• Prime numbersat n=3395