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A374648
a(n) = n! / (floor(n/3))! - n! / (floor(n/2))!.
0
0, 0, 0, 0, 12, 60, 240, 1680, 18480, 45360, 574560, 6320160, 19293120, 250810560, 3615131520, 10637827200, 173837664000, 2955240288000, 8874542476800, 168616307059200, 3378360124339200, 10123012406707200, 222987858828134400, 5128720753047091200
OFFSET
0,5
FORMULA
a(n) = A355988(n) - A081125(n). - Vaclav Kotesovec, Jul 27 2024
MATHEMATICA
Table[n!/(Floor[n/3]!) - n!/(Floor[n/2]!), {n, 0, 24}]
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, Jul 25 2024
STATUS
approved