mastodon.social is one of the many independent Mastodon servers you can use to participate in the fediverse.
The original server operated by the Mastodon gGmbH non-profit

Administered by:

Server stats:

366K
active users

• visualization
numbers can be represented by lego bricks, marbles, dominoes, lines, areas, etc. (unary numbers?)
there may be limitations.

perfect squares are the sum of odd numbers
1 + 3 + … + (2n - 1) = n²