Rémi Eismann · @decompwlj
118 followers · 235 posts · Server mathstodon.xyz
One day, one decomposition
A011775: Numbers k such that k divides phi(k) * sigma(k)
3D graph #threejs #webGL ➡️ https://decompwlj.com/3Dgraph/A011775.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/A011775.html
#decompwlj #math #mathematics #sequence #OEIS #javascript #php #3D #numbers #divides #phi #sigma #graph
#graph #sigma #phi #divides #numbers #3d #php #javascript #oeis #sequence #mathematics #math #decompwlj #webgl #threejs
Rémi Eismann · @decompwlj
114 followers · 163 posts · Server mathstodon.xyz
One day, one decomposition
A006446: Numbers k such that floor(sqrt(k)) divides k
3D graph #threejs #webGL ➡️ https://decompwlj.com/3Dgraph/A006446.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/A006446.html
#decompwlj #math #mathematics #sequence #OEIS #javascript #php #3D #Numbers #floor #sqrt #divides #graph
#graph #divides #sqrt #floor #numbers #3d #php #javascript #oeis #sequence #mathematics #math #decompwlj #webgl #threejs
Tony G · @TonyG
142 followers · 225 posts · Server aus.social
Adam Vagyok · @psztrnk
185 followers · 388 posts · Server mastodon.sdf.orgWhy these are the smartest and most #sustainable #cities | World Economic Forum
The world's cities, already grappling with #ageing #populations, multifarious #social demands, and #digital #divides, are groaning under the strains of #climateChange and #pandemic fallout.
https://www.weforum.org/agenda/2022/11/why-these-are-the-smartest-and-most-sustainable-cities/
#sustainable #cities #ageing #populations #social #digital #divides #climatechange #pandemic