Σ(i³) = (Σi)² on Nostr: nprofile1q…2805j There was a previous message?nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpq0vw8wdt2p2w3kcx8sqvd8t9yy88a6g2l498r78520zn7m6qcckuq22805j (nprofile…805j) There was a previous message?