204599domain: NPropertiesPrimalityPrimeyesAppears in sequencesSmaller term of a pair of twin primes of form (prime(i) - i)*(prime(i) + i) +- 1; the i is from A065749.at n=4A065750Numbers m such that m-2, m-1, m+1, m+2 cannot all be represented in the form x*y + x + y for values x, y with x >= y > 1.at n=34A256386Prime numbersat n=18352