43481

Properties

Appears in sequences

• Primes of the form k^2 + k + 9.at n=23A027758
• Concatenation of prime p and nextprime(p) is prime -> cycles of 2 steps possible.at n=14A036339
• Numbers k such that binomial(5k, k) - 1 is prime.at n=18A125242
• Antidiagonal sums of the convolution array A213765.at n=13A213767
• Number of 2 X 2 matrices with all elements in {-n,..,0,..,n} with determinant = 2*permanent.at n=35A280343
• Primes that can be constructed by concatenating two squares >= 4.at n=35A345314
• Prime numbersat n=4532