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Apr
13
revised Can Waring problem be solved with triangle inequality?
added alternate inequalities
Apr
12
comment Can Waring problem be solved with triangle inequality?
@GerryMyerson, My reasoning is that the fractional part designated in the original problem description is not continually increasing or decreasing which makes it hard to solve. But, taking the differences at each $k$ is always decreasing. So the fractional part of $\left(\frac{3}{2}\right)^k$ is just a piece of $1-$ difference and thus has less influence on the inequality. Also, by a separate inequality, we can show that $2$ (at $k=1$) is the only integer that can possibly occur.
Apr
12
revised Can Waring problem be solved with triangle inequality?
added note about degenerate triangle at k=1
Apr
6
revised Can Waring problem be solved with triangle inequality?
added more specific info about third triangle side
Apr
6
asked Can Waring problem be solved with triangle inequality?
Apr
2
revised Sublists Conjecture
added info about placeholder = totient
Apr
1
revised Sublists Conjecture
added table of first occurances of saturated sublists
Apr
1
comment Sublists Conjecture
@GregMartin, I figured that out after I wrote Wow, so I added the length to show how incredible that answer is. Incidentally, 401 is a prime, so it can't be broken down into month and year.
Apr
1
revised Sublists Conjecture
fixed title
Apr
1
asked Sublists Conjecture
Mar
24
comment Can a simple plot be used as a proof-without-words?
Sorry, I switched accepted answers. I like both, but decided to go with the induction.
Mar
24
accepted Can a simple plot be used as a proof-without-words?
Mar
24
revised Can a simple plot be used as a proof-without-words?
updated info based on comments
Mar
24
comment Can a simple plot be used as a proof-without-words?
@Henry, could you combine your comments into an answer? I want to cite it, so I need a permalink.
Mar
24
asked Can a simple plot be used as a proof-without-words?
Mar
23
comment Is there a way to rewrite this recursive function so that it can be calculated in linear time?
oeis.org/A000108 The Catalan numbers
Mar
15
comment Technical term for summation of sequential numbers
If $f(n)$ as shown by @Nilan is not divided by $2,$ then it is the $n$th pronic number.
Mar
15
comment Right Triangle Theorem/terminology
You don't draw the perpendicular to the hypotenuse.
Mar
15
comment The preimage of a continuous function with a connected image being disconnected
Instead of changing the title, simply click on the check-mark next to the answer you like best.
Mar
14
comment A guide on how to approach learning programming
@TheEmperorofIceCream, I'm sorry. I meant filet of cod.