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 A200331 #7 Jul 22 2025 15:47:16 %S A200331 2,3,4,5,6,13,28,43,58,87,116,159,206,271,350,453,566,689,828,1007, %T A200331 1226,1481,1744,2035,2366,2753,3158,3653,4172,4787,5432,6137,6870, %U A200331 7653,8610,9665,10750,11913,13108,14481,15896,17541,19234,21013,22952,25023,27160 %N A200331 Number of 0..n arrays x(0..7) of 8 elements with zero 4th differences. %C A200331 Row 5 of A200329 %H A200331 R. H. Hardin, <a href="/A200331/b200331.txt">Table of n, a(n) for n = 1..200</a> %e A200331 All solutions for n=6 %e A200331 ..0....3....6....1....5....5....4....5....0....2....1....6....1 %e A200331 ..0....3....6....0....5....1....4....6....3....2....5....3....1 %e A200331 ..0....3....6....1....5....0....4....5....5....2....6....1....1 %e A200331 ..0....3....6....3....5....1....4....3....6....2....5....0....1 %e A200331 ..0....3....6....5....5....3....4....1....6....2....3....0....1 %e A200331 ..0....3....6....6....5....5....4....0....5....2....1....1....1 %e A200331 ..0....3....6....5....5....6....4....1....3....2....0....3....1 %e A200331 ..0....3....6....1....5....5....4....5....0....2....1....6....1 %K A200331 nonn %O A200331 1,1 %A A200331 _R. H. Hardin_ Nov 16 2011