

A038823


Number of primes between n*1000 and (n+1)*1000.


12



168, 135, 127, 120, 119, 114, 117, 107, 110, 112, 106, 103, 109, 105, 102, 108, 98, 104, 94, 104, 98, 104, 100, 104, 94, 98, 101, 94, 98, 92, 95, 92, 106, 100, 94, 92, 99, 94, 90, 96, 88, 101, 102, 85, 96, 86, 90, 95, 89, 98, 89, 97, 89, 92, 90, 93, 99, 91, 90, 94, 88, 87
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OFFSET

0,1


REFERENCES

D. N. Lehmer, List of Prime Numbers from 1 to 10,006,721, p. 2, Carnegie Institute of Washington, Washington D.C., 1914
George P. Loweke, The Lore of Prime Numbers. New York: Vantage Press (1982) p. 91.
D. D. Spencer, Key Dates in Number Theory History, pp. 98, Camelot Pub. Co., FL 1995.
J. V. Uspensky and M. A. Heaslet, Elementary Number Theory, McGrawHill, NY, 1939, p. 124.


LINKS

Julien Peter Benney (jpbenney(AT)gmail.com), Feb 18 2008, Table of n, a(n) for n = 0..99


MATHEMATICA

Table[PrimePi[(n + 1) * 10^3]  PrimePi[n * 10^3], {n, 0, 99}] (* Julien Peter Benney (jpbenney(AT)gmail.com), Feb 18 2008 *)


CROSSREFS

Cf. A038824, A038825, A038826, A038827, A038828, A038829, A038830, A038831, A038832, A080132.
Sequence in context: A308280 A259086 A062518 * A296890 A225535 A045242
Adjacent sequences: A038820 A038821 A038822 * A038824 A038825 A038826


KEYWORD

nonn


AUTHOR

Jeff Burch


EXTENSIONS

Edited and extended by Robert G. Wilson v, Jan 29 2003


STATUS

approved



