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.
%I A180948 #9 Jun 05 2013 14:29:33 %S A180948 17,19,23,29,31,43,47,53,61,71,79,89,97,103,107,113,127,137,151,233, %T A180948 257,313,317,359,367,373,379,383,401,461,463,487,499,503,509,521,577, %U A180948 587,617,619,761,797,821,827,839,853,881,883,907,1019,1061,1063,1069,1097 %N A180948 Smallest of seven (7) consecutive primes whose sum is a prime. %C A180948 There are twins such as (17,19); (461,463); (1061,1063). %C A180948 There are also consecutives such as (17,19,23,29,31); (359,367,373,379,383); (1949,1951,1973). %H A180948 Zak Seidov, <a href="/A180948/b180948.txt">Table of n, a(n) for n = 1..10000</a> %e A180948 a(7)=47+53+59+61+67+71+73=431 is a prime. %t A180948 Transpose[Select[Partition[Prime[Range[500]],7,1],PrimeQ[Total[#]]&]] [[1]] (* _Harvey P. Dale_, Jun 05 2013 *) %Y A180948 Cf. A000040, A073681, A082246, A152468, A189571, A180950, A226380. %K A180948 nonn %O A180948 1,1 %A A180948 _Carmine Suriano_, Sep 27 2010 %E A180948 More cross references from _Harvey P. Dale_, Jun 05 2013