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 A233823 #4 Dec 17 2013 03:59:01 %S A233823 47,251,1361,7817,46877,280591,1680131,10077959,60470441,362797949, %T A233823 2176786421,13060695047,78364167257,470184984721,2821109908277, %U A233823 16926659446819,101559956670517,609359740010929,3656158440066719,21936950640380099,131621703842267647,789730223053605439 %N A233823 Least prime in arithmetic progression of consecutive primes 6^n+k, 6^n+k+g, 6^n+k+2*g with smallest k. %C A233823 No solution for n = 1, so sequence starts at n = 2. %C A233823 The primes are probable primes for n > 23. %F A233823 a(n) = 6^n + A233546(n). %e A233823 a(2) = 6^2 + A233546(2) = 36 + 11 = 47. %Y A233823 Cf. A233546 (values of k), A233550 (values of g), A233742 (= g/6). %K A233823 nonn %O A233823 2,1 %A A233823 _Jonathan Sondow_, Dec 16 2013