#Computed with CLASS v. 2.9
#a,proper_time_Gpc,O_nu
0.01000461,0.016701397553317,3.5163787160972E-05
0.01096983,0.019228996526818,3.67516040528256E-05
0.01202818,0.02213429919907,3.85569090708168E-05
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0.02291923,0.058978141111643,5.95548023375683E-05
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0.03312836,0.102958902483026,8.11895180833707E-05
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0.8321469,11.2631241396981,0.001913507546324
0.9124309,12.503470676376,0.002098079745641
1,13.80342381474,0.002299403771466