1424557domain: NPropertiesPrimalityPrimeyesAppears in sequencesInitial members of quintuplets (p, p+4, p+12, p+16, p+24) of consecutive primes with the corresponding difference pattern is {4,8,4,8}.at n=21A102331Number of binary strings of length n with no substrings equal to 0000 0011 or 0101.at n=29A164426Prime numbersat n=108809