Top Tweets for #EulerSums

about 24 hours ago

Problem 12: THE HARMONIC STAIRCASE. Step n has height H_n = 1 + 1/2 + ... + 1/n and weight 1/n³. Weigh the whole infinite staircase: what is the exact value of the sum of H_n / n³? It is about 1.3529. Solution 10 is live. #QEDEventually #EulerSums #InfiniteSeries

Jace_blog's tweet photo. Problem 12: THE HARMONIC STAIRCASE.

Step n has height H_n = 1 + 1/2 + ... + 1/n and weight 1/n³.
Weigh the whole infinite staircase: what is the exact value of the sum of H_n / n³?
It is about 1.3529.

Solution 10 is live.

#QEDEventually #EulerSums #InfiniteSeries https://t.co/e4sPv9oR0O

Jace @Jace_blog

2 days ago

Problem 11: THE LOCKSMITH'S CIRCLE. A two-button keypad opens when the last n presses match the code. A shortest cyclic sequence of 2^n presses tries every code once. How many exist, up to rotation? Solution 9 is live. #QEDEventually #deBruijn #BESTTheorem #Combinatorics

Jace_blog's tweet photo. Problem 11: THE LOCKSMITH'S CIRCLE.

A two-button keypad opens when the last n presses match the code.

A shortest cyclic sequence of 2^n presses tries every code once.

How many exist, up to rotation?

Solution 9 is live.

#QEDEventually #deBruijn #BESTTheorem #Combinatorics https://t.co/uTK9NU27EM

257

Top Tweets for #EulerSums

Last Seen Hashtags on Sotwe

Trends for you

Most Popular Users