Dmitry Kamenetsky

Member for 6 years, 9 months
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collatz-conjecture

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Smallest $m>1$ such that the number of Collatz steps needed for $238!+m$ to reach $1$ differs from that for $238!+1$.

Aug 12, 2021

Solutions to $A^N+B^N=C^N \pm 1,\,$ for $N \geq 4$?

Feb 8, 2021

Smallest number of $45^\circ-60^\circ-75^\circ$ triangles that tile a rectangle

Mar 2, 2021

Dividing a polygon into 6 equal regions

Nov 21, 2019

Knife inside the square

Apr 8, 2020

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Longest known sequence of identical consecutive Collatz sequence lengths?

Jun 26, 2020

Difference Triangles

Jun 4, 2021

What is known about the minimal number $f(n)$ of geometric progressions needed to cover $\{1,2,\ldots,n\}$, as a function of $n$?

Jul 13, 2019

Minimal Rook Difference Grids

Jun 9, 2021

Tight Acute Sets

Mar 21, 2018

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