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<title id="MathJax-SVG-1-Title">upper F Subscript n Baseline left-parenthesis x right-parenthesis equals StartLayout Enlarged left-brace 1st Row 1st Column 0 2nd Column if n equals 0 2nd Row 1st Column 1 2nd Column if n equals 1 3rd Row 1st Column x dot upper F Subscript n minus 1 Baseline left-parenthesis x right-parenthesis plus upper F Subscript n minus 2 Baseline left-parenthesis x right-parenthesis 2nd Column if n greater-than-or-equal-to 2 EndLayout</title>
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