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 A122654 #3 Oct 19 2017 03:15:04 %S A122654 7,31,13,29,107,293,821,379,293,83,31,241,37,653,43,211,73,1123,311, %T A122654 1567,1607,929,233,4801,601,5087,307,163,709,1021,983,191,1327,241, %U A122654 5443,157,277,151,743,4651,32371,1493,1373,8521,683,7919,947,1279,10847,1613 %N A122654 Smallest prime p such that p^2 equal to the sum of 2n+1 consecutive odd primes, or 1 if such a prime does not exist. %e A122654 a(1) = 7 because A122560[1] = 7 and 7^2 = 49 = 13 + 17 + 19 = p(6) + p(7) + p(8). %Y A122654 Cf. A122560, A070934. %K A122654 nonn %O A122654 1,1 %A A122654 _Alexander Adamchuk_, Sep 21 2006 %E A122654 More terms from _Don Reble_, Sep 22 2006