Do you have enough friends?

Discrete Mathematics Level pending

Evan thinks he doesn't have enough friends. Can you help him out? Evan's goal is to have 3 friends over every day, all 365 days a year. But Evan does not like to repeat things, so he wants every group of 3 friends to be different. Evan isn't very good at making friends, so he wants to have to least friends possible, but still achieve his goal. What Is the least number of friends Evan can have and still achieve his goal? hint: its not that many

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