47581

Properties

Appears in sequences

• Numbers k such that 23^k - 22^k is prime, or a strong pseudoprime.at n=4A062589
• Triangle read by rows: T2[n,k] = Sum_{partitions of n with k parts p(n, k; m_1, m_2, m_3, ..., m_n)} c(n; m_1, m_2, ..., m_n) * x_1^m_1 * x_2^m_2 * ... x^n*m_n, where x_i = i-th prime.at n=46A145520
• Primes p such that 2*p^4+-9 are also prime.at n=25A174365
• Number of binary arrays indicating the locations of trailing edge maxima of a random length-n 0..7 array extended with zeros and convolved with 1,4,6,4,1.at n=22A221998
• Prime numbers (together with one) whose representation in balanced ternary are palindromes.at n=50A224502
• Value of prime number D for incrementally largest values of minimal x satisfying the equation x^2 - D*y^2 = 3.at n=30A336794
• Value of prime number D for incrementally largest values of minimal y satisfying the equation x^2 - D*y^2 = 3.at n=29A336796
• Prime numbersat n=4905