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 A226374 #11 Sep 05 2021 22:00:03 %S A226374 1,0,1,0,8,1,40,2,160,17,796,104,3722,480,17398,2687,82803,13994, %T A226374 391543,71546,1856274,370012,8811898,1887331,41818642,9587496, %U A226374 198572128,48548770,943058746,244715696,4479189932,1229654538,21277462741,6160387914,101081540520 %N A226374 Number of tilings of a 10 X n rectangle using integer-sided square tiles of area > 1. %H A226374 Alois P. Heinz, <a href="/A226374/b226374.txt">Table of n, a(n) for n = 0..1000</a> %H A226374 Alois P. Heinz, <a href="/A226374/a226374.txt">G.f. and Maple program for A226374</a> %F A226374 See link for g.f. %e A226374 a(7) = 2: %e A226374 ._._._._._._._. ._._._._._._._. %e A226374 | | | | | | %e A226374 |___| | | |___| %e A226374 | | | | | | %e A226374 |___| | | |___| %e A226374 | |_________| |_________| | %e A226374 |___| | | |___| %e A226374 | | | | | | %e A226374 |___| | | |___| %e A226374 | | | | | | %e A226374 |___|_________| |_________|___| %p A226374 # see link for Maple program. %Y A226374 Column k=10 of A226206. %K A226374 nonn,easy %O A226374 0,5 %A A226374 _Alois P. Heinz_, Jun 05 2013