Is it possible with cashu.me? Have not found that setting and always get 5 proofs for 1024 sats.
Discussion
Probably not, as Cashu.me will try to optimise outputs so your wallet always has enough different coin sizes to satisfy payments. If you can write some basic JavaScript (or have access to AI) you can do it with Cashu-ts though
Depends on your wallet state.
One way I can think of is to use the money printer go brrr app by nostr:nprofile1qqsvfdfkn2wmy73wr0yhkf065jrzm8705ar4q6clyuhc7jekhqfdh4spypmhxue69uhkummnw3ezuetfde6kuer6wasku7nfvuh8xurpvdjj7qg4waehxw309aex2mrp0yhxgctdw4eju6t09uq3samnwvaz7tmjv4kxz7fwvaskuervv9nzucm0d5aqv795jf that does this.