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 A214276 #9 Jan 03 2019 13:45:02 %S A214276 0,2,1,8,12,23,56,100,196,375,724,1334,2508,4678,8593,15871,29048, %T A214276 53125,96779,175921,318915,577064,1042342,1878814,3382049,6078454, %U A214276 10910254,19557912,35020059,62637612,111921906,199797264,356348437,635040273,1130800760 %N A214276 Number of compositions of n where the difference between largest and smallest parts equals 7 and adjacent parts are unequal. %H A214276 Alois P. Heinz, <a href="/A214276/b214276.txt">Table of n, a(n) for n = 8..2000</a> %e A214276 a(9) = 2: [8,1], [1,8]. %e A214276 a(10) = 1: [1,8,1]. %e A214276 a(11) = 8: [9,2], [8,2,1], [8,1,2], [2,9], [2,8,1], [2,1,8], [1,8,2], [1,2,8]. %e A214276 a(12) = 12: [8,3,1], [8,1,3], [8,1,2,1], [3,8,1], [3,1,8], [2,1,8,1], [1,8,3], [1,8,2,1], [1,8,1,2], [1,3,8], [1,2,8,1], [1,2,1,8]. %Y A214276 Column k=7 of A214269. %K A214276 nonn %O A214276 8,2 %A A214276 _Alois P. Heinz_, Jul 09 2012