1<?xml version="1.0" encoding="UTF-8"?> 2<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0//EN" "http://www.w3.org/TR/MathML2/dtd/xhtml-math11-f.dtd" [<!ENTITY mathml 'http://www.w3.org/1998/Math/MathML'>]> 3<html xmlns="http://www.w3.org/1999/xhtml"> 4<head><title>airy_zero_3</title> 5<!-- MathML created with MathCast Equation Editor version 0.92 --> 6</head> 7<body> 8<math xmlns="http://www.w3.org/1998/Math/MathML" display="block"> 9 <mrow> 10 <msub> 11 <mi>b</mi> 12 <mi>n</mi> 13 </msub> 14 <mo>=</mo> 15 <mo>−</mo> 16 <mi>f</mi> 17 <mfenced> 18 <mrow> 19 <mn>3</mn> 20 <mi>π</mi> 21 <mfrac> 22 <mfenced> 23 <mrow> 24 <mn>4</mn> 25 <mi>n</mi> 26 <mo>−</mo> 27 <mn>3</mn> 28 </mrow> 29 </mfenced> 30 <mn>8</mn> 31 </mfrac> 32 </mrow> 33 </mfenced> 34 </mrow> 35</math></body> 36</html>