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 A371560 #17 Apr 22 2024 07:36:46 %S A371560 1,8,432,82944,41472000,44789760000,92177326080000,330363536670720000, %T A371560 1926680145863639040000,17340121312772751360000000, %U A371560 230797014673005320601600000000,4386989654904485133995212800000000,115658595261901846072649790259200000000 %N A371560 a(n) = n!*(n+1)!^3. %C A371560 6*a(n) is the number of elements of the wreath product of S_n and S_4 with cycle partition equal to (4n). %o A371560 (SageMath) def a(n): return factorial(n-1)*(factorial(n)**(4-1)) %o A371560 (Python) %o A371560 from math import factorial %o A371560 def A371560(n): return factorial(n)**4*(n+1)**3 # _Chai Wah Wu_, Apr 22 2024 %Y A371560 Cf. A000142, A224900. %K A371560 nonn %O A371560 0,2 %A A371560 _Josaphat Baolahy_, Mar 27 2024