328753domain: NPropertiesPrimalityPrimeyesAppears in sequencesExpansion of e.g.f.: exp(x + 2*x^2).at n=9A115329Least starting prime of exactly n consecutive primes p_i (i = 1..n) such that bigomega(p_i + 1) = 1 + i.at n=4A369097Prime numbersat n=28305