E24 = [10, 11, 12, 13, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 39, 43, 47, 51, 56,
62, 68, 75, 82, 91]
g = ->n{(10.4*Math.log(n/10.0)).round}
E24.each{|e| p g[e]}
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