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Answers and rating deltas for
About catalan number's expression from wiki
| Author | Votes | Δ |
|---|---|---|
| Dukeling | 2 | +0.35 |
| Andrew Arnold | 1 | +0.34 |
| kyldvs | 0 | -3.15 |
Last visited: Sep 14, 2014, 5:07:29 AM