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 A243084 #5 May 29 2014 16:57:47 %S A243084 1,1,2,4,8,16,32,63,127,247,494,960,1892,3672,7147,13798,26581,50929, %T A243084 97196,184578,348856,659351,1232960,2297710,4293741,7938967,14597060, %U A243084 26899716,49245147,89549454,162797168,294737328,530981823,953222139,1708323110,3043849193 %N A243084 Number of compositions of n into parts with multiplicity not larger than 6. %C A243084 Number of compositions of n avoiding the pattern {1}^7. %H A243084 Alois P. Heinz, <a href="/A243084/b243084.txt">Table of n, a(n) for n = 0..1000</a> %p A243084 b:= proc(n, i, p) option remember; `if`(n=0, p!, `if`(i<1, 0, %p A243084 add(b(n-i*j, i-1, p+j)/j!, j=0..min(n/i, 6)))) %p A243084 end: %p A243084 a:= n-> b(n$2, 0): %p A243084 seq(a(n), n=0..50); %Y A243084 Column k=6 of A243081. %K A243084 nonn %O A243084 0,3 %A A243084 _Alois P. Heinz_, May 29 2014