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A100637 Trisection of A000720. 1
2, 3, 4, 5, 6, 7, 8, 9, 9, 10, 11, 11, 12, 13, 14, 15, 15, 16, 16, 17, 18, 18, 19, 20, 21, 21, 22, 23, 23, 24, 24, 24, 25, 26, 27, 28, 29, 30, 30, 30, 30, 30, 31, 32, 32, 33, 34, 34, 34, 35 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Daniel Forgues, Table of n, a(n) for n=0,...,33332

PROG

(Sage) [prime_pi(3*n) for n in xrange(1, 51)] # [From Zerinvary Lajos, Jun 06 2009]

CROSSREFS

Cf. A000720, A099802.

Sequence in context: A137180 A258632 A128635 * A081063 A081304 A137721

Adjacent sequences:  A100634 A100635 A100636 * A100638 A100639 A100640

KEYWORD

easy,nonn

AUTHOR

Giovanni Teofilatto, Dec 04 2004

EXTENSIONS

Entry for n = 46 corrected and edited to a(n) = 34 (was 33) by Daniel Forgues Daniel Forgues, Feb 02 2009

STATUS

approved

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Last modified March 24 04:15 EDT 2017. Contains 283984 sequences.