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Augusto Santi's user avatar
Augusto Santi's user avatar
Augusto Santi's user avatar
Augusto Santi
  • Member for 4 years, 11 months
  • Last seen this week
  • San Marino
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awarded
 Yearling
awarded
 Popular Question
awarded
 Yearling
awarded
 Caucus
accepted
Periodic sequences of integers generated by $a_{n+1}=\frac{\operatorname{rad}(pa_{n})}{p}+\frac{\operatorname{rad}(qa_{n-1})}{q}$
asked
Periodic sequences of integers generated by $a_{n+1}=\frac{\operatorname{rad}(pa_{n})}{p}+\frac{\operatorname{rad}(qa_{n-1})}{q}$
asked
On the density of a particular subset of integers
awarded
 Autobiographer
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 Yearling
comment
The recurrence relation $x_{n+1}=x_{n}+x_{n-1}+c\,(x_{n},\,x_{n-1})$
(-21,6)=3 is the GREATEST common divisor of -21 and 6 ...
asked
The recurrence relation $x_{n+1}=x_{n}+x_{n-1}+c\,(x_{n},\,x_{n-1})$
comment
The number of solutions of $2^xpx+k=y^2$
@GerryMyerson Up to $x=10^5$.
comment
The number of solutions of $2^xpx+k=y^2$
@Wojowu Sorry for the mistake. Thanks.
revised
The number of solutions of $2^xpx+k=y^2$
deleted 7 characters in body
asked
The number of solutions of $2^xpx+k=y^2$
reviewed
Approve
Is it possible to find an estimate of $\sum_{k=1}^n\frac1{\varphi(k\cdot p_k)}$?
accepted
Is it possible to find an estimate of $\sum_{k=1}^n\frac1{\varphi(k\cdot p_k)}$?
asked
Is it possible to find an estimate of $\sum_{k=1}^n\frac1{\varphi(k\cdot p_k)}$?
awarded
 Constituent
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 Caucus
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