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 A243085 #4 May 29 2014 16:58:45 %S A243085 1,1,2,4,8,16,32,64,127,255,502,1004,1972,3908,7660,15044,29361,57209, %T A243085 110982,214648,413552,793936,1518344,2892496,5500825,10392649, %U A243085 19569158,36845760,68891188,128241332,238736764,442162796,814790985,1499513369,2750419066 %N A243085 Number of compositions of n into parts with multiplicity not larger than 7. %C A243085 Number of compositions of n avoiding the pattern {1}^8. %H A243085 Alois P. Heinz, <a href="/A243085/b243085.txt">Table of n, a(n) for n = 0..1000</a> %p A243085 b:= proc(n, i, p) option remember; `if`(n=0, p!, `if`(i<1, 0, %p A243085 add(b(n-i*j, i-1, p+j)/j!, j=0..min(n/i, 7)))) %p A243085 end: %p A243085 a:= n-> b(n$2, 0): %p A243085 seq(a(n), n=0..50); %Y A243085 Column k=7 of A243081. %K A243085 nonn %O A243085 0,3 %A A243085 _Alois P. Heinz_, May 29 2014