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 A185782 #7 Oct 18 2024 20:30:22 %S A185782 1,3,0,5,2,0,7,4,2,0,9,6,4,2,0,11,8,6,4,2,0,13,10,8,6,4,2,0,15,12,10, %T A185782 8,6,4,2,0,17,14,12,10,8,6,4,2,0,19,16,14,12,10,8,6,4,2,0,21,18,16,14, %U A185782 12,10,8,6,4,2,0,23,20,18,16,14,12,10,8,6,4,2,0,25,22,20,18,16,14,12,10,8,6,4,2,0,27,24,22,20,18,16,14,12,10,8,6,4,2,0 %N A185782 Weight array of A185780, by antidiagonals. %e A185782 Northwest corner: %e A185782 1....3....5....7....9....11....13 %e A185782 0....2....4....6....8....10....12 %e A185782 0....2....4....6....8....10....12 %e A185782 (row n)=(row n-1) for n>=3. %t A185782 (See A185780.) %Y A185782 Cf. A144112, A185780. %K A185782 nonn,tabl %O A185782 1,2 %A A185782 _Clark Kimberling_, Feb 03 2011