= "Week"&; IF(MOD(ROW(A 1), 2), "six", "day")
If you want to use date arrangement, first determine a start date. Take April 16 as an example.
= text (40649+(row (a1)-1) * 7+mod (row (a2), 2), "week AAA")
It is scheduled for April 16.
= text(40649+(row(a 1)- 1)* 7+mod(row(a2),2)," m month d ")
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