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 A089635 Smallest member of a pair of consecutive twin prime pairs that have three primes between them. 0
 107, 239, 311, 569, 1229, 1427, 1997, 2687, 4049, 4127, 4157, 4481, 5231, 6089, 7559, 9629, 10457, 13829, 13901, 14249, 16187, 16649, 17207, 17597, 17957, 18059, 19841, 20507, 21317, 21491, 21557, 22481, 27689, 28109, 28277, 28349, 31769, 32141 (list; graph; refs; listen; history; text; internal format)
 OFFSET 3,1 LINKS PROG (PARI) pbetweentw(n, p) = \p is the number of primes between { forstep(x1=1, n, 1, c=0; t1 = twin[x1]; t2 = twin[x1+1]; for(y=t1+4, t2-1, if(isprime(y), c++) ); if(c==p, print1(t1", ")) ) } savetwins(n) = \ build a twin prime table of lower bounds { twin = vector(n); c=1; forprime(x=3, n*10, if(isprime(x+2), twin[c]=x; c++; ) ) CROSSREFS Sequence in context: A141996 A142844 A142914 * A201220 A088563 A142222 Adjacent sequences:  A089632 A089633 A089634 * A089636 A089637 A089638 KEYWORD easy,nonn AUTHOR Cino Hilliard (hillcino368(AT)gmail.com), Jan 01 2004 STATUS approved

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