The phrase "a couple of sequences" is correct and usable in written English.
It can be used when referring to two or a few sequences in various contexts, such as mathematics, programming, or any situation where sequences are relevant.
Example: "In our analysis, we observed a couple of sequences that exhibited similar patterns."
Alternatives: "a few sequences" or "two sequences".
"Red Dragon" was the first of the Lecter trilogy, and Lecter is only in a couple of sequences.
As it is, only a couple of sequences are campy enough to elicit "whoa, nelly" smiles.
Mr. Silver has provided a couple of sequences in which the ensemble members deliver rapid-fire one-liners in the manner of the old "Laugh-In" series.
"But the truth is it's not like 'There are a few things I'd fix' — it's more like 'There's a couple of sequences I'd keep.' " He shrugged.
And there are a couple of sequences in which Mr. Kelly is seen walking in place against blurred black-and-white images that do indeed evoke the feeling of having fallen into the alternate universe of a film.
Though this musical features a couple of sequences in which Willy or Charlie sketches ideas into existence (via Jon Driscoll's charming projections), mostly we're presented with fantasies as faits accomplis.
In addition, there are a couple of sequence assembly pairs (containing Phred, Phrap, Consed), which are all part of the same package.
The Pfam-A collection of multiple sequence alignments are produced by first establishing a hand-curated seed alignment of a couple of protein sequences from which a profile Hidden Markov Model is built which again is used to search for homologous sequences in primary sequence data bases.
Joshua Bergasse provides expert matching choreography, including a couple of spirited sequences out of Top 4o period shows like "Hullabaloo".
He has given Mr. Chan a couple of virtuoso sequences, beautifully framed and edited, showing that at 50 Mr. Chan can still fly through the air with the best of them.
A medicine show features hip-hop from men in wheelchairs and their nurses; a fight scene is wittily staged in a bathhouse; a couple of bowling sequences would fit snugly in "The Big Lebowski".
