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1d
revised Prove that a one-color $K_4$ exists in a two-color $K_{18}$
edited body
1d
revised Is $\mathbb{Z}[x]/(x^2 + x + 1, 9)$ isomorphic to $\mathbb{F}_{81}$?
deleted 2 characters in body
2d
revised Seeking non-inductive, combinatorial proof of the identity $1^2 + 2^2 + 3^2 + \cdots + n^2 = \frac{n(n + 1)(2n + 1)}{6}$
added 152 characters in body
Feb
1
revised How many numbers between $0$ and $1,000,000$ have exactly one digit equal to $9$ and the sum of digits equal $13$?
deleted 1 character in body
Feb
1
revised How many numbers between $0$ and $1,000,000$ have exactly one digit equal to $9$ and the sum of digits equal $13$?
added 186 characters in body
Feb
1
revised Is there an expression for the sum of $\binom nr^2$ for each $n$?
added 2 characters in body
Feb
1
revised Find the remainder when ${{5^5}^5}^5$ is divided by $24$
added 1 character in body
Feb
1
revised Find the remainder when ${{5^5}^5}^5$ is divided by $24$
added 6 characters in body
Feb
1
revised Find the remainder when ${{5^5}^5}^5$ is divided by $24$
added 358 characters in body
Feb
1
revised Mathematical usage of “$\dots$” during enumeration, is it ok to be imprecise?
added 1 character in body
Jan
31
revised Is there an expression for the sum of $\binom nr^2$ for each $n$?
added 329 characters in body
Jan
31
revised Numbers written as $a^b+b$ for $a,b\geq 2$
added 12 characters in body
Jan
31
revised Numbers written as $a^b+b$ for $a,b\geq 2$
deleted 22 characters in body
Jan
31
revised Numbers written as $a^b+b$ for $a,b\geq 2$
added 2 characters in body
Jan
31
revised Numbers written as $a^b+b$ for $a,b\geq 2$
added 369 characters in body
Jan
31
revised Sequence $\left\{ x_{n}\right\} _{n\geq1}$ s.t $\left|x_{n+1}-x_{n}\right|<2^{-n}$ for all $n\geq N$ , does this imply convergence?
added 10 characters in body
Jan
31
revised Give a complete set of equivalence class representatives for an equivalence relation on the natural numbers (including zero)
added 1 character in body
Jan
31
revised can we find a $k_4$ colored with 1 color in a $k_8$ which is colored with just 2 colors?
added 349 characters in body
Jan
21
revised Adjacency Matrix of a Graph Length of Paths Proof
edited body
Jan
20
revised Determine the following property
added 4 characters in body