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A057835 Difference between pi(10^n) and the integer nearest to 10^n / log(10^n). 3
0, 3, 23, 143, 906, 6116, 44158, 332774, 2592592, 20758029, 169923159, 1416705193, 11992858452, 102838308636, 891604962452, 7804289844393, 68883734693928, 612483070893536, 5481624169369961, 49347193044659702, 446579871578168707 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

REFERENCES

John H. Conway and R. K. Guy, "The Book of Numbers," Copernicus, an imprint of Springer-Verlag, NY, 1995, Page 146.

LINKS

Wikipedia, Prime number theorem

FORMULA

a(n)=round[A006880(n)-A057834(n)] - Henry Bottomley (se16(AT)btinternet.com), Aug 10 2005

MATHEMATICA

Table[ PrimePi[10^n] - Round[ N[ 10^n/Log[ 10^n ] ] ], {n, 1, 13} ]

CROSSREFS

Sequence in context: A179328 A089950 A198797 * A079755 A197176 A006184

Adjacent sequences:  A057832 A057833 A057834 * A057836 A057837 A057838

KEYWORD

nonn

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), Nov 08 2000

EXTENSIONS

More terms from Jud McCranie (JudMcCranie(AT)ugaalum.uga.edu), Jun 21 2005

Corrected and extended by Henry Bottomley (se16(AT)btinternet.com), Aug 10 2005

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Last modified February 23 03:36 EST 2012. Contains 206606 sequences.