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 A094153 #14 Mar 02 2015 02:58:56
%S A094153 7,0,2,43,11,13,31,149,347,23,439,223,461,173,5,71,197,1153,191,307,
%T A094153 1657,971,9473,19,2399,1607,6781,89,9187,281,23623,15077,25579,17203
%N A094153 a(n) is least prime p such that 7 is the n-th term in the Euclid-Mullin sequence starting at p, or 0 if no such prime p exists.
%C A094153 The sequence is not monotonic. Compare to A093882.
%C A094153 Next term exceeds 50000. - _Sean A. Irvine_, Jan 12 2012
%e A094153 a(5)=11 because p=7 first arises in EM at position 5, which is initiated with 11: {11,2,23,3,7,10627,433}; see A051309.
%Y A094153 Cf. A000945, A051308-A051334, A056756, A093777-A093783.
%K A094153 more,nonn
%O A094153 1,1
%A A094153 _Labos Elemer_, May 05 2004
%E A094153 Definition clarified, terms corrected and extended by _Sean A. Irvine_, Apr 15 2011
%E A094153 More terms from _Sean A. Irvine_, May 22 2011
%E A094153 25579 and 17203 from _Sean A. Irvine_, Jan 11 2012