187273domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form 8*k^2 + 1.at n=18A090685Middle term of a triple of consecutive numbers which are sums of two squares.at n=17A096129a(n) = index of first appearance of n in A096862.at n=28A097008Primes p such that the sum of digits of 11*p is 11.at n=28A357935Prime numbersat n=16944