OFFSET
0,3
MATHEMATICA
Round[Sqrt[n!*n^n]] (there is no form text zone for Mathematica code)
PROG
(Python)
from math import isqrt, factorial
def A062872(n): return isqrt(factorial(n)*n**n<<2)+1>>1 # Chai Wah Wu, Jun 19 2024
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Olivier Gérard, Jun 26 2001
STATUS
approved