ag-gipp/GoUldI

<math xmlns='http://www.w3.org/1998/Math/MathML' display='inline'><semantics><mrow><msub><mi>π</mi> <mi>i</mi></msub><mo>=</mo><msup><mn>2</mn> <mrow><mo lspace="verythinmathspace" rspace="0em">−</mo><mi>N</mi></mrow></msup><mrow><mo maxsize="2.047em" minsize="2.047em">(</mo><mstyle displaystyle="false"><mfrac linethickness="0"><mi>N</mi><mi>i</mi></mfrac></mstyle><mo maxsize="2.047em" minsize="2.047em">)</mo></mrow></mrow><annotation encoding='application/x-tex'>\pi_i = 2^{-N} \tbinom Ni</annotation></semantics></math>