10   2.5937424601000023
100   2.7048138294215294
1000   2.7169239322355985
10000   2.7181459268248984
100000   2.7182682371922948
1000000   2.7182804690959363
10000000   2.7182816941320103
100000000   2.7182817983463599
1000000000   2.7182820520118995