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 A219929 #9 Sep 05 2021 19:19:18 %S A219929 1,1,89,1278,26738,517881,10171315,199243634,3906605183,76569060586, %T A219929 1500957422222,29421452263473,576720342887239,11304856454549226, %U A219929 221597668862377866,4343754040692960588,85146204614736790139,1669034648958758680516,32716392842324236695259 %N A219929 Number of tilings of a 10 X n rectangle using integer-sided square tiles. %H A219929 Alois P. Heinz, <a href="/A219929/b219929.txt">Table of n, a(n) for n = 0..300</a> %Y A219929 Column k=10 of A219924. %Y A219929 Cf. A226553. %K A219929 nonn %O A219929 0,3 %A A219929 _Alois P. Heinz_, Dec 01 2012