"provided an indication" is a correct and usable phrase in written English.
You can use it when you want to say that something or someone has given a signal or a hint to make something clear or known. For example, "The results of the survey provided an indication of the public's overall opinion on the subject."
During his first 100 days, Modi's government has provided an indication of what it is about.
Sandy Weill, chairman of Citigroup, provided an indication of the problem during an Oct. 5 meeting of business leaders with Governor Pataki.
Mr. Bradley provided an indication of what those states will be in the itinerary for a three-day trip he began today: Connecticut, New York, California and Maryland.
In this case, glancing at the junior rankings beforehand would not have provided an indication of the intrigue of the matchup on Court 3 and the players' potential.
While there has been speculation about international cooperation to deal with the growing financial and economic crisis, the European Union summit this weekend provided an indication that few countries were willing to risk their own taxpayers' money to help others.
The result of this study provided an indication that DM resistance was conditioned by a single dominant gene.
The 12-item General Health Questionnaire (GHQ) (Goldberg and Williams 1988) provided an indication of current psychological distress.
The initial exploration stage relied, instead, on a geophysical investigation tool that directly provided an indication of possible hydrocarbon accumulations.
The hardness profiles obtained confirmed the gradual decrease in hardness with treatment depth and provided an indication of the thickness of the hardened layer produced.
The results provided an indication, but were not sufficient for predicting whether silver traces with measurable resistance could be subsequently obtained.
Comparison of these results with calculations from DLVO theory provided an indication that electrostatic forces played the dominant role in the stabilisation of thin aqueous films.
