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 A182980 #5 Nov 30 2013 21:30:32 %S A182980 1,1,2,1,1,3,1,1,1,4,2,2,1,1,1,1,1,2,3,5,1,1,1,1,1,1,1,6,3,3,2,4,2,2, %T A182980 2,1,1,1,1,1,1,1,1,1,1,1,2,2,3,2,5,3,4,7,8,4,4,3,5,2,6,2,3,3,2,2,4,2, %U A182980 2,2,2 %N A182980 Version "mirror" of the shell model of partitions of A135010. Triangle read by rows: row n lists the parts of the last section of the set of partitions of n. %C A182980 In n is odd then row n lists the numbers of row n of A135010. If n is even the row n lists the 1's of row n of A135010 and then row n lists the other numbers of row n of A135010 in reverse order. %e A182980 Triangle begins: %e A182980 1, %e A182980 1, 2, %e A182980 1, 1, 3, %e A182980 1, 1, 1, 4, 2, 2, %e A182980 1, 1, 1, 1, 1, 2, 3, 5, %e A182980 1, 1, 1, 1, 1, 1, 1, 6, 3, 3, 2, 4, 2, 2, 2, %e A182980 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 3, 2, 5, 3, 4, 7, %Y A182980 Cf. A135010, A141285, A182742, A182743, A182982, A182983, A182985. %K A182980 nonn,tabf %O A182980 1,3 %A A182980 _Omar E. Pol_, Feb 02 2011