The phrase "a complicated sequence of" is correct and usable in written English.
It can be used when describing a series of events, actions, or elements that are intricate or difficult to understand.
Example: "The project involved a complicated sequence of steps that required careful planning and execution."
Alternatives: "a complex series of" or "an intricate chain of".
Sadly, we lost touch at the end of second year following a complicated sequence of events involving an Australian girl, a canal boat and the North Yorkshire police.
On the monitor screen, Tom Hanks's eyes, in extreme closeup, flickered through a complicated sequence of emotions: hatred, fear, anger, doubt.
Fluorescence, cold light, introduced at the 1939 World's Fair, depends on a complicated sequence of events, which she describes clearly and concisely.
In this structure, the presence of the impact damage led to a complicated sequence of events and, ultimately, to failure of the component.
The epitaxial growth of such structures incorporates a complicated sequence of growth and regrowth steps over planar and non-planar surfaces.
YouTube footage from the rally shows a complicated sequence of events that led up to Harris's beating, outside the Market Street parking garage, where dozens of members from the League of the South and Traditionalist Worker Party converged with counterprotesters.
His failure to spell "heal" and "tap" suggests that mastering a more complicated sequence of letters or numbers would be well above his grade level.
While millions of Americans have lost sleep over the thought of Trump being anywhere near the nuclear codes, his failure to spell such words as "heal" and "tap" suggests that mastering a more complicated sequence of letters or numbers would be well above his grade level.
In a complicated sequence invoking the tree in the Garden of Eden, Johnny secretly despoils a garden tended by the classics teacher, who breeds roses (and therefore, in his words, "does the work of God").
This latter process is mediated through an enormously more complicated sequence of biochemical steps, involving second messengers, protein kinases, and protein phosphatases.
Executives said the complicated sequence of events makes it difficult to place a value on either of the two deals.
