Gauss Sum Coin

∑ For every integer $n \ge 1$, $\sum_{k=1}^{n} k = \frac{n(n+1)}{2}$. — launched on hood.exe · rigor —/100 · ipfs://bafkreidijm3zyhjf27ipx54eyy55k77y2yjwkxgnssesrmx6jlo4zvdfky

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