412589domain: NPropertiesPrimalityPrimeyesAppears in sequencesLet m = A002445(n); then a(n) = largest member of A001359 (the lesser twin primes sequence) <= m.at n=34A156053a(n) = (36*n^6 - 60*n^5 + 30*n^4 + 4*n^3 + 8*n^2 - 4*n + 1 - (-1)^n)/8.at n=7A260334Prime numbersat n=34816