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 A092445 #6 Mar 31 2012 14:11:24 %S A092445 11,41,251,641,4001,68891,121001,163841,198811,466561,497291,1115561, %T A092445 2560361,6561001,6806251,7516891,11793961,13712411,34633211,47436841, %U A092445 52670251,71824001,84739211 %N A092445 a(n) is the first term of the sexy prime quadruple a(n), a(n)+6, a(n)+12 and a(n)+18 that becomes a perfect square if the rightmost digit (1) is removed. %e A092445 a(6)=68891. Removing the rightmost digit results in 6889 = 83^2. %Y A092445 Cf. A023201, A046117. %K A092445 nonn,base %O A092445 1,1 %A A092445 _Ray G. Opao_, Mar 24 2004