76079domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of vectors abcdefg with a,b,... >= 0, a+...+g=n, a>={b,...g}.at n=23A014073Primes of the form p^2 + q^2 + 21, where p and q are consecutive primes.at n=25A229075Prime numbersat n=7489