1078081domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of 2's in all partitions of 2n+1 that do not contain 1 as a part.at n=33A182717Primes p such that 2p^2-1, 3p^2-2, 4p^2-3, and 5p^2-4 are also prime.at n=15A213107Prime numbersat n=84130