Table of Values of π(10n)
n
Who?
1
4
2
25
L. Pisano (1202)
3
168
F. van Schooten (1657)
4
1,229
F. van Schooten (1657)
5
9,592
T. Brancker (1668)
6
78,498
A. Felkel (1785)
7
664,579
J. P. Kulik (1867)
8
5,761,455
Meissel 1871 (Corrected)
9
50,847,534
Meissel 1886 (Corrected)
10
455,052,511
Lehmer (1959) / Meissel 1886 (Corrected)
11
4,118,054,813
Meissel 1886 (Corrected)
12
37,607,912,018
13
346,065,536,839
Bohmann 1972 (Corrected)
14
3,204,941,750,802
Lagarias Miller Odlyzko 1985
15
29,844,570,422,669
Lagarias Miller Odlyzko 1985
16
279,238,341,033,925
Lagarias Miller Odlyzko 1985
17
2,623,557,157,654,233
Deléglise Rivat 1994
18
24,739,954,287,740,860
Deléglise Rivat 1994
19
234,057,667,276,344,607
Deléglise 1996
20
2,220,819,602,560,918,840
Deléglise 1996
21
21,127,269,486,018,731,928
X. Gourdon Nov 2000
22
201,467,286,689,315,906,290
P. Demichel & X. Gourdon Dec 2000
23
1,925,320,391,606,803,968,923
Tomás Oliveira e Silva (7 Apr 2008)
24
18,435,599,767,349,200,867,866
J. Büthe, J. Franke, A. Jost, T. Kleinjung (2010)
25
176,846,309,399,143,769,411,680
J. Büthe, J. Franke, A. Jost, T. Kleinjung (2013)
26
1,699,246,750,872,437,141,327,603
Staple, Douglas (2015)
27
16,352,460,426,841,680,446,427,399
David Baugh and Kim Walisch (2015)
28
157,589,269,275,973,410,412,739,598
David Baugh and Kim Walisch (Oct 2020)
29
1,520,698,109,714,272,166,094,258,063
David Baugh and Kim Walisch (28 Feb 2022)