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 A090890 #4 Mar 31 2012 14:11:24
%S A090890 291,564,742,2639,4319,5278,5408,7431,10119,10413,11085,14056,14672,
%T A090890 19002,23492,26737,31962,33912,35308,36743,37870,45602,54348,56693,
%U A090890 59353,60211,64397,64509,65391,72562,92617,94609,106309,114552,142160
%N A090890 30*a(n) is the gap between sexy prime triples in the n-th sexy prime triple triple whose initial term is 11.
%C A090890 The nine terms in any sexy prime triple triple {{a, b, c}, {d, e, f}, {g, h, i}} may be arranged to form a 3 X 3 magic square [ h a f / c e g / d i b ].
%e A090890 a(2)=564 identifies the second sexy prime triple triple whose initial term is 11: {{11, 17, 23}, {11+30*564, 17+30*564, 23+30*564}, {11+2*30*564, 17+2*30*564, 23+2*30*564}} which is equal to {{11, 17, 23}, {16931, 16937, 16943}, {33851, 33857, 33863}}.
%Y A090890 Cf. A023201, A046117.
%K A090890 nonn
%O A090890 1,1
%A A090890 _Ray G. Opao_, Feb 16 2004