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 A055892 #7 Jul 22 2025 05:52:18 %S A055892 1,1,0,1,1,0,1,1,1,0,1,2,2,1,0,1,2,2,1,1,0,1,3,4,3,2,1,0,1,3,5,3,3,1, %T A055892 1,0,1,4,6,6,5,2,2,1,0,1,4,8,7,6,3,3,1,1,0,1,5,10,11,10,7,5,3,2,1,0,1, %U A055892 5,11,12,13,7,7,3,2,1,1,0,1,6,14,18,18,14,11,7,5,3,2,1,0,1,6,16,20,23 %N A055892 Also aperiodic partitions of n into k parts. %H A055892 N. J. A. Sloane, <a href="/transforms.txt">Transforms</a> %F A055892 Moebius transform of partition triangle A008284. %e A055892 1; 1,0; 1,1,0; 1,1,1,0; 1,2,2,1,0; ... %e A055892 For n=6, 2+2+1+1 is periodic because it can be written 2*(2+1), similarly 1+1+1+1+1+1, 3+3 and 2+2+2. %Y A055892 Row sums give A000837. Cf. A055893. %K A055892 nonn,tabl %O A055892 1,12 %A A055892 _Christian G. Bower_, Jun 09 2000