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 A051052 #16 Jul 31 2023 09:34:00
%S A051052 1,1,1,1,1,5,6,7,8,9,45,55,66,78,91,455,560,680,816,969,4845,5985,
%T A051052 7315,8855,10626,53130,65780,80730,98280,118755,593775,736281,906192,
%U A051052 1107568,1344904,6724520,8347680,10295472,12620256,15380937,76904685
%N A051052 a(n) = binomial(n, floor(n/5)).
%H A051052 Seiichi Manyama, <a href="/A051052/b051052.txt">Table of n, a(n) for n = 0..1000</a>
%t A051052 Table[Binomial[n,Floor[n/5]],{n,0,40}] (* _Harvey P. Dale_, Aug 06 2017 *)
%Y A051052 Cf. A001405, A051033, A051036, A051053, A062947.
%K A051052 nonn,easy
%O A051052 0,6
%A A051052 _N. J. A. Sloane_