The phrase "and then contributing" is correct and usable in written English.
It can be used to describe an action that follows another action, indicating that someone is adding to a discussion, project, or effort after a previous step.
Example: "After completing the initial research, the team gathered for a meeting, and then contributing their ideas on how to move forward."
Alternatives: "and subsequently adding" or "and afterward contributing".
Kay sometimes led the conversation but more often seemed content to listen, now and then contributing a thought or anecdote.
He was a danger wherever Moyes billeted him, first curling an 11th-minute effort which hammered against Gerhard Tremmel's crossbar and then contributing to a fleeting flash of the imperious United of old after 36 minutes, when a flowing move down the right flank saw Antonio Valencia and Rafael ship the ball through to the advancing Danny Welbeck.
Thus, galectin-4 may activate the PKCθ by binding to CAG and, then contributing to exacerbation of colitis.
Additionally, the special morphology of CT800 was responsible for the hot spots at the surface of nano sheets and then contributing to its outstanding photocatalytic activity.
The blogpost said it was going further by helping to create unique fingerprints of images it saw and then contributing them to a larger industry-wide database.
A great many of the things that Linux does today are a direct result of people scratching their own itches, and then contributing their work back upstream to Linus.
Suppose, for instance, that a couple opened a Wyoming account through a broker with $500 and then contributed $150 monthly for 18 years.
Chinese envoys have made uncharacteristic stops at refugee camps, and then contributed the first non-African forces to the UN PKO effort.
"Number Six: Even though the rest of the world was mostly opposed to the war" — he was smirking here — "they would quickly fall in line after we won and then contribute lots of money and soldiers to help out".
That's where it gets back to the drawing, where a person can start a creative endeavour like drawing or sculpting, and the machine can watch what is happening, learn your style and then contribute.
People can buy a stripped-down version of 23andMe's genetic service, which gives people DNA information on ancestry and risk for certain diseases, for $99 and then contribute their genetic data toward research into the disease of their choice.
