recusion
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Examples
Easy
| Number | Note |
|---|---|
| 202. Happy Number | |
| 326. Power of Three | |
| 342. Power of Four | |
| 504. Base 7 | |
| 509. Fibonacci Number | |
| 1837. Sum of Digits in Base K |
| Number | Note |
|---|---|
| 202. Happy Number | |
| 326. Power of Three | |
| 342. Power of Four | |
| 504. Base 7 | |
| 509. Fibonacci Number | |
| 1837. Sum of Digits in Base K |