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 A094710 Smaller of a pair (p,q) of primes with (p+q)/2=prime(n)# and q-p is minimal. 2
 5, 29, 197, 2309, 30013, 510451, 9699667, 223092791, 6469693129, 200560490047, 7420738134571, 304250263527139, 13082761331669881, 614889782588491043, 32589158477190044657, 1922760350154212638159, 117288381359406970982957, 7858321551080267055878717, 557940830126698960967414867 (list; graph; refs; listen; history; text; internal format)
 OFFSET 2,1 COMMENTS a(n) = Max{p prime: (p+q)/2=prime(n)# for another prime q>p}; a(n) = A002110(n) - A094709(n); (a(n) + A094711(n))/2 = A002110(n). LINKS PROG (Python) from sympy import isprime, prime, primerange def aupton(terms): phash, alst = 2, [] for p in primerange(3, prime(terms)+1): phash *= p for k in range(1, phash//2): if isprime(phash-k) and isprime(phash+k): alst.append(phash-k); break return alst print(aupton(20)) # Michael S. Branicky, May 29 2021 CROSSREFS Cf. A002110, A094709, A094711. Sequence in context: A201856 A201115 A199419 * A216313 A108453 A201203 Adjacent sequences: A094707 A094708 A094709 * A094711 A094712 A094713 KEYWORD nonn AUTHOR Reinhard Zumkeller, May 21 2004 EXTENSIONS Corrected by T. D. Noe, Nov 15 2006 a(12)-a(20) from Donovan Johnson, Apr 27 2008 STATUS approved

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Last modified February 1 04:32 EST 2023. Contains 359981 sequences. (Running on oeis4.)