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3h
revised Longest known sequence of identical consecutive Collatz sequence lengths?
added 1285 characters in body
5h
revised Longest known sequence of identical consecutive Collatz sequence lengths?
added 816 characters in body
16h
revised Longest known sequence of identical consecutive Collatz sequence lengths?
additional data for table
Apr
21
revised I can Euler-sum $\sqrt{-\ln(1)}-\sqrt{-\ln(2)}+\sqrt{-\ln(3)}-\cdots$. But how can I do $\sqrt{-\ln(1)}+\sqrt{-\ln(2)}+\sqrt{-\ln(3))}+\cdots$?
just corrected some typos...
Apr
4
revised Trying mathematical induction with $3n+1$ conjecture
added tag
Mar
29
revised Graph of the function $x^y = y^x$, and $e$ (Euler's number).
just corrected some typos...
Mar
20
revised $3 \times 3 $ Magic Square of Squares
deleted 811 characters in body
Mar
20
revised $3 \times 3 $ Magic Square of Squares
added 374 characters in body
Mar
20
revised $3 \times 3 $ Magic Square of Squares
added 374 characters in body
Mar
20
revised $3 \times 3 $ Magic Square of Squares
Pari/GP code corrected
Mar
20
revised $3 \times 3 $ Magic Square of Squares
added 268 characters in body
Mar
20
revised $3 \times 3 $ Magic Square of Squares
added 268 characters in body
Mar
20
revised $3 \times 3 $ Magic Square of Squares
added 1680 characters in body
Mar
20
revised $3 \times 3 $ Magic Square of Squares
added 467 characters in body
Mar
15
revised Finding eigenvalues using triangulars
added 432 characters in body
Mar
15
revised Finding eigenvalues using triangulars
added 7579 characters in body
Mar
6
revised Is Collatz' conjecture the only stable solution of its type?
added 153 characters in body
Feb
28
revised The series $\sum_{n=1}^\infty\frac1n$ diverges
Please don't shout !! in the title!! (Removed exclamation marks!!)
Feb
26
revised Proving $\frac{n^n}{e^{n-1}}<n!<\frac{(n+1)^{n+1}}{e^{n}}$ by induction for all $n> 2$.
added 114 characters in body
Feb
26
revised Proving $\frac{n^n}{e^{n-1}}<n!<\frac{(n+1)^{n+1}}{e^{n}}$ by induction for all $n> 2$.
added 114 characters in body