365350domain: NAppears in sequencesFirst occurrence of exactly n identical terms in A007448.at n=38A016046Numbers k such that 4*k + {1, 3, 7, 9, 13, 19} are all prime.at n=7A254288Numbers n such that 4n+1, 4n+3, 4n+7, 4n+9 and 4n+13 are prime.at n=30A254376