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 A054757 #12 Aug 17 2017 22:39:54
%S A054757 11,31,79,331,4789,30319,1021381,29099599,446186581,51757546801,
%T A054757 1002802452019,29682952540921,304250263529059,78496567990022389,
%U A054757 1844669347765477039,423659060203470584971,13459322451079488477211
%N A054757 Smallest prime of the form m*Q(n) + r where Q(n) = A002110(n) (the n-th primorial) and r = prime(n+1)^2.
%H A054757 Michael De Vlieger, <a href="/A054757/b054757.txt">Table of n, a(n) for n = 1..349</a>
%e A054757 a(7) = 2*510510 + 361 = 2*(2*3*5*7*11*13*17) + 19*19 = 2*A002110(7) + prime(8)^2.
%t A054757 Table[SelectFirst[Range[120] Product[Prime@ i, {i, n}] + Prime[n + 1]^2, PrimeQ], {n, 17}] (* _Michael De Vlieger_, Aug 16 2017 *)
%Y A054757 Cf. A002110.
%K A054757 nonn
%O A054757 1,1
%A A054757 _Labos Elemer_, Apr 25 2000