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 A090444 #11 Apr 22 2024 07:33:34 %S A090444 1,24,2880,1036800,870912000,1463132160000,4424511651840000, %T A090444 22299538725273600000,176612346704166912000000, %U A090444 2098154678845502914560000000,36004334288988830013849600000000 %N A090444 Fifth column (m=4) of triangle A090441. %H A090444 J. Agapito, <a href="https://dx.doi.org/10.1016/j.laa.2014.03.018">On symmetric polynomials with only real zeros and nonnegative gamma-vectors</a>, Linear Algebra and its Applications, Volume 451, 15 June 2014, Pages 260-289. %F A090444 a(n) = (n+3)!*(n+2)!*(n+1)!*n!/12, n>=0. 12=A000178(3) (superfactorial). %o A090444 (PARI) a(n) = (n+3)!*(n+2)!*(n+1)!*n!/12; \\ _Michel Marcus_, Feb 12 2019 %o A090444 (Python) %o A090444 from math import factorial %o A090444 def A090444(n): return factorial(n)**4*(n+3)*(n+2)**2*(n+1)**3//12 # _Chai Wah Wu_, Apr 22 2024 %Y A090444 Cf. A090441. %K A090444 nonn,easy %O A090444 0,2 %A A090444 _Wolfdieter Lang_, Dec 23 2003