Datrys ar gyfer n (complex solution)
n=-\frac{\sqrt{3\left(S_{n}-2\right)}}{3}
n=\frac{\sqrt{3\left(S_{n}-2\right)}}{3}
Datrys ar gyfer S_n
S_{n}=3n^{2}+2
Datrys ar gyfer n
n=\frac{\sqrt{3\left(S_{n}-2\right)}}{3}
n=-\frac{\sqrt{3\left(S_{n}-2\right)}}{3}\text{, }S_{n}\geq 2
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