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arithboy
  • Member for 13 years, 5 months
4 votes
1 answer
1k views

Estimate on an exponential sum

1 vote
1 answer
410 views

Number of Fibonacci numbers up to x [closed]

0 votes
1 answer
2k views

Sums of Legendre symbols

0 votes
2 answers
1k views

A kind of character sum concerning Legendre symbols