pitiunited on Nostr: Working on a badge for 1, 11, 111, 1111…, 2, 22, 222, 2222… etc. zappers for a ...

Working on a badge for 1, 11, 111, 1111…, 2, 22, 222, 2222… etc. zappers for a zap ⚡️ competition at https://uselessshit.co/nostr/zaps/

What would be a simplified formula for a sequence like this:

n*10^0+n*10^1+n*10^2+n*10^3…

Will happily spray some sats to a person who’s able to help me out 🤙💜