Today is the birthday of Rajesh. He wants to buy sweets for his friends so he went to the Chef sweet shop. He has X amount of cash with him. The pricing of sweets is as follows. If he selects N sweets and places them in a single line then the price of the ith sweet from left is i2². He wants to maximize his purchase of sweets to share with his friends. Can you help him? Chef has a total of 106 sweets.

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