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.

A067379 Primes expressible as the sum of (at least two) consecutive primes in at least 3 ways.

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%I A067379 #20 Sep 26 2023 09:05:59
%S A067379 311,863,1151,1367,1951,2393,2647,2689,3389,4957,5059,5153,7451,7901,
%T A067379 8819,10499,10859,10949,12329,12641,12713,13127,13297,14369,14699,
%U A067379 14759,14951,15091,15329,15527,16223,16249,16829,18089,18311,18401
%N A067379 Primes expressible as the sum of (at least two) consecutive primes in at least 3 ways.
%H A067379 Jon E. Schoenfield, <a href="/A067379/b067379.txt">Table of n, a(n) for n = 1..10000</a>
%H A067379 Patrick De Geest, <a href="http://www.worldofnumbers.com/em122.htm">WON plate 122</a>
%H A067379 Carlos Rivera, <a href="http://www.primepuzzles.net/puzzles/puzz_046.htm">Puzzle 46. Primes expressible as sum of consecutive primes in K ways</a>, The Prime Puzzles and Problems Connection.
%F A067379 Prime(n) such that A307610(n) > 3. - _Ray Chandler_, Sep 21 2023
%t A067379 m=2*6!; lst={}; Do[p=Prime[a]; Do[p+=Prime[b]; If[PrimeQ[p]&&p<Prime[m]*3+8,AppendTo[lst,p]],{b,a+1,m,1}],{a,m}]; lst1=Sort[lst]; lst={}; Do[If[lst1[[n]]==lst1[[n+1]]&&lst1[[n]]==lst1[[n+2]],AppendTo[lst,lst1[[n]]]],{n,Length[lst1]-2}]; Union[lst] (* _Vladimir Joseph Stephan Orlovsky_, Aug 15 2009 *)
%Y A067379 Cf. A050936, A067372-A067381, A307610.
%K A067379 nonn
%O A067379 1,1
%A A067379 _Patrick De Geest_, Feb 04 2002