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 A176037 #18 Jun 14 2024 08:48:38 %S A176037 2,12,288,17280,2073600,435456000,146313216000,73741860864000, %T A176037 53094139822080000,52563198423859200000,69383421919494144000000, %U A176037 119061952013851951104000000,260031303198252661211136000000,709885457731229765106401280000000,2385215137976932010757508300800000000 %N A176037 a(n) = n!*(n+1)!*(n+2)!. %F A176037 a(n) = A000142(n)*A000142(n+1)*A000142(n+2) = A010790(n)*A000142(n+2). %F A176037 a(n) = 2*A090443(n). - _Pontus von Brömssen_, Jun 14 2024 %e A176037 a(2) = (2)!*(2+1)!*(2+2)! = (2)!*(3)!*(4)! = 2*6*24 = 288. %t A176037 Times@@@Partition[Range[0,15]!,3,1] (* _Harvey P. Dale_, Aug 29 2012 *) %Y A176037 Cf. A000142, A010790, A090443. %K A176037 easy,nonn %O A176037 0,1 %A A176037 _Jonathan Vos Post_, Apr 07 2010