cp's OEIS Frontend

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.

A214275 Number of compositions of n where the difference between largest and smallest parts equals 6 and adjacent parts are unequal.

This page as a plain text file.
%I A214275 #9 Jan 03 2019 13:15:33
%S A214275 0,2,1,8,12,23,56,100,191,370,703,1280,2409,4437,8076,14821,26895,
%T A214275 48760,88102,158831,285490,512395,917768,1640448,2928758,5220037,
%U A214275 9291968,16519618,29335963,52038382,92218708,163272053,288813272,510469514,901536574,1591035005
%N A214275 Number of compositions of n where the difference between largest and smallest parts equals 6 and adjacent parts are unequal.
%H A214275 Alois P. Heinz, <a href="/A214275/b214275.txt">Table of n, a(n) for n = 7..2000</a>
%e A214275 a(8) = 2: [7,1], [1,7].
%e A214275 a(9) = 1: [1,7,1].
%e A214275 a(10) = 8: [8,2], [7,2,1], [7,1,2], [2,8], [2,7,1], [2,1,7], [1,7,2], [1,2,7].
%e A214275 a(11) = 12: [7,3,1], [7,1,3], [7,1,2,1], [3,7,1], [3,1,7], [2,1,7,1], [1,7,3], [1,7,2,1], [1,7,1,2], [1,3,7], [1,2,7,1], [1,2,1,7].
%Y A214275 Column k=6 of A214269.
%K A214275 nonn
%O A214275 7,2
%A A214275 _Alois P. Heinz_, Jul 09 2012