152839

Properties

Appears in sequences

• Denominator of continued fraction given by C(n) = [1; 3, 5, 7, ..., (2*n-1)].at n=6A036244
• Primes p such that (12*p - 1, 12*p + 1) and (18*p - 1, 18*p + 1) are twin primes.at n=18A138660
• Prime numbers p such that p - 2, p^2 - p - 1, p^2 - p + 1 are prime numbers.at n=31A274525
• Irregular triangle read by rows: T(n,k) is the number of n-permutations whose third-longest cycle has length exactly k; n >= 0, 0 <= k <= floor(n/3).at n=19A350015
• Prime numbersat n=14096