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 A210477 #12 Aug 22 2019 18:01:53
%S A210477 667,1147,2491,3127,4087,5767,7387,17947,23707,25591,28891,30967,
%T A210477 55687,64507,67591,70747,75067,111547,126727,136891,141367,148987,
%U A210477 190087,198907,256027,295927,313591,320347,329467,348091,355207,364807,372091,422491,430327,462391,532891
%N A210477 Product of adjacent primes with a gap of 6.
%C A210477 Subsequence of A111192.
%C A210477 Sum_{n>=1} 1/a(n) > 0.00405067912.
%H A210477 Harvey P. Dale, <a href="/A210477/b210477.txt">Table of n, a(n) for n = 1..1000</a>
%F A210477 a(n) = A031924(n)*(A031924(n)+6).
%p A210477 A210477 := proc(n)
%p A210477 A031924(n)*(A031924(n)+6) ;
%p A210477 end proc:
%p A210477 seq(A210477(n),n=1..100) ; # _R. J. Mathar_, Jan 23 2013
%t A210477 Times@@@Select[Partition[Prime[Range[200]],2,1],#[[2]]-#[[1]]==6&] (* _Harvey P. Dale_, Aug 22 2019 *)
%K A210477 nonn
%O A210477 1,1
%A A210477 _R. J. Mathar_, Jan 23 2013