From the command linefdb · curl
fdb
fdb seq view '273' --type 12 --part last20
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"sequence_view","params":{"start":{"expr":"273"},"type":12,"part":"last20","fr":0}}'