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A038801 Number of primes less than 10n. 22
4, 8, 10, 12, 15, 17, 19, 22, 24, 25, 29, 30, 31, 34, 35, 37, 39, 41, 42, 46, 46, 47, 50, 52, 53, 55, 57, 59, 61, 62, 63, 66, 66, 68, 70, 72, 73, 75, 77, 78, 80, 81, 82, 85, 87, 88, 91, 92, 93, 95, 97, 97, 99, 99, 101, 102, 104, 106, 107, 109, 111, 114, 114, 115, 118, 120 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Robert G. Wilson v, Table of n, a(n) for n = 0..10000

Andrew R. Booker, The Nth Prime Page

Thomas R. Nicely, Some Results of Computational Research in Prime Numbers

Tomas Oliveira e Silva, Tables of values of pi(x) and of pi2(x)

MATHEMATICA

Table[ PrimePi[ n*10 ], {n, 1, 66}] (* Robert G. Wilson v *)

CROSSREFS

Cf. A028505, A038812, A038813, A038814, A038815, A038816, A038817, A038818, A038819, A038820.

Cf. A038821, A080122, A080123, A080124, A080125, A080126, A080127, A080128, A080129.

Sequence in context: A172458 A175226 A057166 * A172153 A092292 A171993

Adjacent sequences:  A038798 A038799 A038800 * A038802 A038803 A038804

KEYWORD

nonn

AUTHOR

Jeff Burch (gburch(AT)erols.com)

EXTENSIONS

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

STATUS

approved

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Last modified May 19 01:49 EDT 2013. Contains 225428 sequences.