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 A154306 #21 Sep 08 2022 08:45:40
%S A154306 1,32,540,7680,105000,1451520,20744640,309657600,4849891200,
%T A154306 79833600000,1381360780800,25107347865600,478826764416000,
%U A154306 9568689242112000,200074178304000000,4370687116443648000,99607063051431936000
%N A154306 a(n) = (n+1)^3*(3+n)!/6.
%C A154306 Row 3 of square array A152818.
%H A154306 Vincenzo Librandi, <a href="/A154306/b154306.txt">Table of n, a(n) for n = 0..200</a>
%F A154306 E.g.f.: (1 + 25*x + 67*x^2 + 27*x^3)/(1-x)^7. - _R. J. Mathar_, Dec 21 2011
%t A154306 Table[(n+1)^3*(3+n)!/6,{n,0,20}] (* _Vincenzo Librandi_, Mar 27 2012 *)
%o A154306 (Magma) [(n+1)^3*Factorial(3+n)/6: n in [0..20]]; // _Vincenzo Librandi_, Mar 27 2012
%o A154306 (PARI) a(n) = (n+1)^3*(n+3)!/6 \\ _Charles R Greathouse IV_, Sep 10 2016
%Y A154306 Cf. A000142, A001563, A055533, A152818, A154307, A154308.
%K A154306 nonn,easy
%O A154306 0,2
%A A154306 _Omar E. Pol_, Jan 06 2009
%E A154306 More terms from _Sean A. Irvine_, Dec 01 2009