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n k k ^2二进制k二进制k ^2
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0 0 0 0 0
1 23 529 10111 1000010001
2 111 12321 1101111 11000000100001
3 479 229441 111011111 111000000001000001
4 1471 2163841 10110111111 1000010000010010000001
5 6015 36180225 1011101111111 10001010000001000100000001
6 24319 591413761 101111011111111 100011010000000100001000000001
7 28415 807412225 110111011111111 110000001000000010001000000001
8 114175 13035930625 11011110111111111 1100001001000000001000010000000001