OFFSET
1,2
FORMULA
a(n) = (n^2)! - A221976(n). - Vaclav Kotesovec, Jul 16 2023
KEYWORD
nonn,hard,more
AUTHOR
Stefano Spezia, Jul 13 2023
EXTENSIONS
a(4) from Vaclav Kotesovec, Jul 16 2023 (using A221976)
STATUS
approved