自己紹介: https://koteitan.github.io

趣味: 巨大数, 4D-gamedev

accounts:

Bluesky:

nostr:

pubkey: npub1f3w4x7dqvceeez8kuyq78md3lwhwfm0ra634llr0r3nykwjrs0hqvldhgk

twitter: https://twitter.com/koteitan

mastodon:

misskey: https://misskey.io/@koteitan

mstdn.jp: https://mstdn.jp/web/@koteitan

mathtod.online: https://mathtod.online/@koteitan

qiita: https://qiita.com/koteitan

github: https://github.com/koteitan/

巨大数研究 wiki: https://googology.fandom.com/ja/wiki/ユーザー:Koteitan