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 A157132 #9 May 24 2017 14:38:09
%S A157132 2,3,40,1260,7983360,1037836800,50812489728000,15205637551104000,
%T A157132 2872446304320552960000,884176199373970195454361600000,
%U A157132 747530786743447528884142080000000
%N A157132 Factorial of primes divided by prime numbers' respective places in the sequence of primes.
%F A157132 a(n) = prime(n)!/n.
%e A157132 E.g. leading term = 2!/1 = 2, second term = 3!/2 = 3, third term = 5!/3 = 40, etc.
%t A157132 Table[Prime[n]!/n,{n,20}] (* _Harvey P. Dale_, May 24 2017 *)
%o A157132 (PARI) a(n) = prime(n)!/n; \\ _Michel Marcus_, Aug 19 2013
%Y A157132 Terms of A039716 divided by sequence of natural numbers A000027
%Y A157132 Cf. A177946. [From _Reinhard Zumkeller_, May 15 2010]
%K A157132 easy,nonn
%O A157132 1,1
%A A157132 Jeremy Cahill (jcahill(AT)inbox.com), Feb 23 2009