cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A122384 Numbers appearing in A122072 at least three times.

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%I A122384 #7 May 13 2013 01:54:09
%S A122384 1129,1327,1669,2179,2477,3137,3229,3469,3739,4177,4297,4759,4831,
%T A122384 5119,5237,5351,5449,5591,5749,5953,6397,6491,6737,6917,7079,7129,
%U A122384 7253,7369,7759,7963,8329,8389,8467,8893,9067,9349,9439,9551,9973,10009,10039
%N A122384 Numbers appearing in A122072 at least three times.
%C A122384 Necessary condition: p is followed by a prime gap of at least 22. Sufficient condition: p is followed by a prime gap of at least 30. [_Charles R Greathouse IV_, Feb 26 2012]
%H A122384 Charles R Greathouse IV, <a href="/A122384/b122384.txt">Table of n, a(n) for n = 1..10000</a>
%F A122384 a(n) ~ n log n since this sequence contains almost all primes. [_Charles R Greathouse IV_, Feb 26 2012]
%o A122384 (PARI) p=2;forprime(q=3,1e5,if(q\10-p\10>2,print1(p", "));p=q) \\ _Charles R Greathouse IV_, Feb 26 2012
%Y A122384 Cf. A122091, A122072.
%K A122384 nonn
%O A122384 1,1
%A A122384 _Zak Seidov_, Oct 19 2006