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.

A213814 Primes that are sums of three, five and seven consecutive primes.

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%I A213814 #12 Mar 05 2013 06:00:31
%S A213814 311,61643,67141,87853,115361,142799,210031,332489,362309,723823,
%T A213814 1149749,1352863,1444957,1638733,2197759,2204117,2299313,2457473,
%U A213814 2765387,3069263,3212593,3588647,3633983
%N A213814 Primes that are sums of three, five and seven consecutive primes.
%H A213814 Vincenzo Librandi, <a href="/A213814/b213814.txt">Table of n, a(n) for n = 1..530</a>
%e A213814 311 = 101 + 103 + 107 = 53 + 59 + 61 + 67 + 71 = 31 + 37 + 41 + 43 + 47 + 53 + 59.
%t A213814 pr = Prime[Range[100000]]; to3 = Total /@ Partition[pr, 3, 1];
%t A213814 to5 = Total /@ Partition[pr, 5, 1]; to7 = Total /@ Partition[pr, 7, 1];
%t A213814 Select[Intersection[to3, to5, to7], PrimeQ]
%Y A213814 Subsequence of A211170.
%K A213814 nonn
%O A213814 1,1
%A A213814 _Zak Seidov_, Mar 04 2013