OFFSET
0,2
COMMENTS
6*a(n) is the number of elements of the wreath product of S_n and S_4 with cycle partition equal to (4n).
PROG
(SageMath) def a(n): return factorial(n-1)*(factorial(n)**(4-1))
(Python)
from math import factorial
def A371560(n): return factorial(n)**4*(n+1)**3 # Chai Wah Wu, Apr 22 2024
CROSSREFS
KEYWORD
nonn
AUTHOR
Josaphat Baolahy, Mar 27 2024
STATUS
approved