Sub Test()
[K2].FormulaArray = "=COUNT(1/FREQUENCY(IF((($C$2:$C$134>=I55)*($C$2:$C$134<=I56))*($F$2:$F$134=J$1)*(LEFT($E$2:$E$134,4)=""Prép""),MATCH($A$2:$A$134,$A$2:$A$134,0)),ROW(INDIRECT(""1:""&ROWS($A$2:$A$134)))))"
Resultat = [K2]
MsgBox Resultat
End Sub