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 A051036 #22 Jul 31 2023 09:33:45 %S A051036 1,1,1,1,4,5,6,7,28,36,45,55,220,286,364,455,1820,2380,3060,3876, %T A051036 15504,20349,26334,33649,134596,177100,230230,296010,1184040,1560780, %U A051036 2035800,2629575,10518300,13884156,18156204,23535820,94143280,124403620 %N A051036 a(n) = binomial(n, floor(n/4)). %H A051036 Seiichi Manyama, <a href="/A051036/b051036.txt">Table of n, a(n) for n = 0..1000</a> %t A051036 a[n_] := Binomial[n, Floor[n/4]]; Array[a, 50, 0] (* _Enrique Pérez Herrero_, Mar 06 2012 *) %o A051036 (Python) %o A051036 from math import comb %o A051036 def A051036(n): return comb(n,n>>2) # _Chai Wah Wu_, Feb 02 2023 %Y A051036 Cf. A001405, A051033, A051052, A051053, A062947. %K A051036 nonn,easy %O A051036 0,5 %A A051036 _N. J. A. Sloane_