## Solution - Challenge 54 - Make a Sequence like A_B__C___D____E_____F......

Below is a possible solution to the challenge **Challenge 54 - Make a Sequence like A B C D E F......**

Put below formula as array formula in a cell and drag down

=IFERROR(CHAR(MATCH(ROWS($1:1),(ROW($1:$26)*(ROW($1:$26)+1))/2,0)+64),"")