359167domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of binary strings of length n with no substrings equal to 0001 0110 or 1011.at n=23A164479Primes that are the concatenation p|q of two primes p and q with the same number of digits, where r = (p+q)/2, r|q and p|r are all primes.at n=27A358420Prime numbersat n=30700