125 perfect square
| Input interpretation |
|---|
| is 125 a perfect square number? |
| Result |
| 125 is not a perfect square number |
| Nearest perfect square numbers |
| 121 | 144 |
| Formula for the nth perfect square number |
| P(4,n) = n^2 (for positive integers n) |
| Generating function for the perfect square numbers |
| sum_(n=1)^infinity P(4,n) x^n = (-x^2 – x)/(x – 1)^3 |