Rare card
1 + 2 + 3 + 4 + ⋯
- Value
- 50 W
- Attack
- 293
- Defence
- 235
- Players
- 0
The infinite series whose terms are the positive integers 1 + 2 + 3 + 4 + ⋯ is a divergent series. The nth partial sum of the series is the triangular number ∑ k = 1 n k = n ( n + 1 ) 2 , {\displaystyle \sum _{k=1}^{n}k={\frac {n(n+1)}{2}},} which increases without bound as n goes to infinity.
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