The phrase "a series that at first" is correct and usable in written English.
It can be used when discussing the initial impression or experience of a series, often in the context of a review or analysis.
Example: "A series that at first seemed dull quickly evolved into a captivating story."
Alternatives: "a series that initially" or "a series that at the outset".
This memory is measured by a so-called Hurst exponent, which reveals hidden patterns in a series of events that, at first glance, look random and disconnected.
More recently, Kim has presented a series of paintings that at first appear to be entirely abstract: greens and russets and browns swirl and commingle on the canvases; they look like psychedelic Rothkos, or studies for murkier versions of Sam Gilliam's curtain-like drape paintings.
He noted the difference between the style of the episode and previous stories of the series, saying that at first, it "feel[s] like it might be a very special Murder, She Wrote or something," and that later, "we're clearly in some other show entirely, the only links in the continuity chain being Mulder and Scully themselves".
It can be seen in reaction series (5) that at first, Na2SiO3 reacts with water superficially, producing Na OH and Si OH species.
The party was only the first of a series that Mr. Gore is to hold at his residence.
The show is the fourth in a series that Felder calls his Composers Sonata, extending a pattern established in productions that looked at Beethoven, Chopin and Gershwin.
This second ordering gives us a series that McTaggart calls the A-series.
Pitched at the divide between art and industry, poetry and entertainment, it goes darker and deeper than any Hollywood movie of its comic-book kind — including "Batman Begins," Mr. Nolan's 2005 pleasurably moody resurrection of the series — largely by embracing an ambivalence that at first glance might be mistaken for pessimism.
Given the national team manager's prescribed target of 17 points from the eight matches in the series that should ensure at least second place in the section, the Scots require as many as they can muster at the Laugardalsvollur Stadium, the second leg of the opening double-header of away matches that began with yesterday's trip to Macedonia.
The Ducks will play Nashville in a first-round playoff series that starts Friday at Honda Center.
