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 A323122 #4 Jan 05 2019 09:16:41 %S A323122 0,0,2,3,12,23,61,135,303,667,1459,3135,6718,14288,30211,63586,133322, %T A323122 278508,580013,1204583,2495522,5158394,10641188,21911154,45041042, %U A323122 92443955,189464447,387794944,792761978,1618774478,3301913189,6728377951,13697691852 %N A323122 Number of compositions of n where the difference between largest and smallest parts equals five. %H A323122 Alois P. Heinz, <a href="/A323122/b323122.txt">Table of n, a(n) for n = 5..3362</a> %Y A323122 Column k=5 of A214258. %K A323122 nonn %O A323122 5,3 %A A323122 _Alois P. Heinz_, Jan 05 2019