{{Simple recursion|left repeated text|non-repeated text|right repeated text|depth}}
"{{Simple recursion|a|b|c|4}}"
"{{Simple recursion|f( |f(x) + g|) + g|7}}"
{{math|[[Golden ratio|<var>φ</var>]] ≈ {{#expr: {{Simple recursion|(|1|)^-1+1|35}}}}}}"
