1λΆν° μμνλ μ°μλ νμ nκ°μ ν©: $n^2$κ°ex)$1=1^2$$1+3 = 2^2$$1+3+5 = 3^2$ 곡μ νκΈ° κ²μκΈ κ΄λ¦¬ SCIAN