168449domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form 1024n + 513.at n=30A105132Number of 2 X 2 matrices with all elements in {0,1,...,n} and positive even determinant.at n=26A210372Numbers n such that n is a twin prime and 2n + 1 is a twin prime.at n=37A261463Prime numbersat n=15369