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A062872
Nearest integer to geometric mean of n! and n^n.
2
1, 1, 3, 13, 78, 612, 5796, 64426, 822470, 11856945, 190494094, 3374719084, 65351559893, 1373320643023, 31124359701926, 756718320351009, 19645797269948963, 542437979097898912, 15871685747774947593, 490576250611060132721, 15972108990755818357442
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
Cf. A062871.
Sequence in context: A127127 A043301 A141762 * A288954 A215915 A159312
KEYWORD
easy,nonn
AUTHOR
Olivier Gérard, Jun 26 2001
STATUS
approved