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 A184125 #7 Jul 22 2025 09:27:09 %S A184125 56,12068,4249486,1361812470,348053502590,71759424776253, %T A184125 12323643023399737,1812407940171867666,233154749874813919293, %U A184125 26665385106037737856103,2745847883076898964068450 %N A184125 Number of nX5 0..3 arrays with rows and columns in nondecreasing order. %C A184125 Column 5 of A184129 %H A184125 R. H. Hardin, <a href="/A184125/b184125.txt">Table of n, a(n) for n = 1..200</a> %e A184125 Some solutions for 3X5 %e A184125 ..0..0..0..0..1....0..0..0..2..3....0..0..0..3..3....0..0..0..1..3 %e A184125 ..0..1..2..2..3....0..0..3..2..3....0..1..1..0..3....0..0..0..2..1 %e A184125 ..0..3..0..3..1....0..3..1..2..0....0..1..3..1..2....0..2..2..1..1 %K A184125 nonn %O A184125 1,1 %A A184125 _R. H. Hardin_ Jan 09 2011