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 A214349 #7 Jul 22 2025 23:14:45 %S A214349 6,106,4822,529006,135538054,79817831414,107180513854464, %T A214349 326914413025767444,2261157562438763862818 %N A214349 Number of nXnXn triangular 0..5 arrays with no element lying outside the (possibly reversed) range delimited by its sw and se neighbors. %C A214349 Column 5 of A214352 %e A214349 Some solutions for n=3 %e A214349 ....1......2......4......3......1......5......0......2......1......1......4 %e A214349 ...4.1....2.2....5.2....5.2....4.1....5.3....0.3....3.0....2.1....2.1....4.1 %e A214349 ..0.5.1..3.2.1..3.5.0..5.2.3..3.5.0..5.4.3..1.0.5..3.0.4..4.2.1..0.4.0..5.4.0 %K A214349 nonn %O A214349 1,1 %A A214349 _R. H. Hardin_ Jul 13 2012