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Trisection of A000720.
1

%I #14 Dec 07 2019 12:18:24

%S 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,

%T 22,23,23,24,24,24,25,26,27,28,29,30,30,30,30,30,31,32,32,33,34,34,34,

%U 35

%N Trisection of A000720.

%H Daniel Forgues, <a href="/A100637/b100637.txt">Table of n, a(n) for n = 0..33332</a>

%o (Sage) [prime_pi(3*n) for n in range(1, 51)] # _Zerinvary Lajos_, Jun 06 2009

%Y Cf. A000720, A099802.

%K easy,nonn

%O 0,1

%A _Giovanni Teofilatto_, Dec 04 2004

%E Entry for n = 46 corrected and edited to a(n) = 34 (was 33) by _Daniel Forgues_, Feb 02 2009