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 A227667 #8 Jul 19 2013 17:12:42
%S A227667 1,120,29392,7453320,1897242448,482913033152,122911984813568,
%T A227667 31283451053916800,7962224756951452544,2026535155335964884480,
%U A227667 515791104488454210243072,131278484324109833244067840,33412829924638979294019463168,8504190228674549912505288509440
%N A227667 Number of lattice paths from {n}^5 to {0}^5 using steps that decrement one component by 1 such that for each point (p_1,p_2,...,p_5) we have abs(p_{i}-p_{i+1}) <= 1.
%H A227667 Alois P. Heinz, <a href="/A227667/b227667.txt">Table of n, a(n) for n = 0..200</a>
%F A227667 G.f.: (173568*x^8 -3773248*x^7 +10330944*x^6 -719888*x^5 +1468896*x^4 -35208*x^3 -3608*x^2 +170*x-1) / (-98304*x^9 +4024832*x^8 -36900032*x^7 +37771968*x^6 -3950640*x^5 +5084576*x^4 -23648*x^3 -9016*x^2 +290*x-1).
%e A227667 a(1) = 5! = 120.
%p A227667 a:= n-> coeff(series((173568*x^8 -3773248*x^7 +10330944*x^6 -719888*x^5 +1468896*x^4 -35208*x^3 -3608*x^2 +170*x-1) / (-98304*x^9 +4024832*x^8 -36900032*x^7 +37771968*x^6 -3950640*x^5 +5084576*x^4 -23648*x^3 -9016*x^2 +290*x-1), x, n+1), x, n): seq(a(n), n=0..20);
%Y A227667 Column k=5 of A227655.
%Y A227667 Cf. A000142.
%K A227667 nonn,easy
%O A227667 0,2
%A A227667 _Alois P. Heinz_, Jul 19 2013