457837domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of ordered positive integer solutions (m_1, m_2, ..., m_k) (for some k) to Sum_{i=1..k} m_i=n with |m_i-m_{i-1}| <= 1 for i = 2 ... k.at n=26A034297First of four consecutive primes p,q,r,s such that (2*p+q)/5 and (r+2*s)/5 are prime.at n=35A358149Prime numbersat n=38307