Jabir b. Abdullah reported a hadith like this from Allah's Apostle (ﷺ).
Sahih Muslim Book 15, Hadith 346
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Jabir (Allah be pleased with him) reported that Allah's Messenger (ﷺ) flung pebbles at jamra on the Day of Nahr after sunrise, and after that (i. e. on the 11th, 12th and 13th of Dhu'l-Hijja when the sun had declined.
Sahih Muslim Book 15, Hadith 345 Next Hadith → Odd number of stones are to be used for cleaning (the private parts after answering the call of nature), and casting of pebbles at the Jamras is to be done by odd numbers (seven), and (the number) of circuits between al-Safa' and al-Marwa is also odd (seven), and the number of circuits (around the Ka'ba) is also odd (seven). Whenever any one of you is required to use stones (for cleaning the private parts) he should use odd number of stones (three, five or seven).
Sahih Muslim Book 15, Hadith 347
Sahih Muslim Book 15, Hadith 345 Next Hadith → Odd number of stones are to be used for cleaning (the private parts after answering the call of nature), and casting of pebbles at the Jamras is to be done by odd numbers (seven), and (the number) of circuits between al-Safa' and al-Marwa is also odd (seven), and the number of circuits (around the Ka'ba) is also odd (seven). Whenever any one of you is required to use stones (for cleaning the private parts) he should use odd number of stones (three, five or seven).
Sahih Muslim Book 15, Hadith 347