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Partial sums of A056737.
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%I #13 Jan 20 2024 07:11:15

%S 0,1,3,3,7,8,14,16,16,19,29,30,42,47,49,49,65,68,86,87,91,100,122,124,

%T 124,135,141,144,172,173,203,207,215,230,232,232,268,285,295,298,338,

%U 339,381,388,392,413,459,461,461,466,480,489,541,544,550,551,567,594

%N Partial sums of A056737.

%H Omar E. Pol, <a href="http://www.polprimos.com">Determinacion geometrica de los numeros primos y perfectos</a>

%H Omar E. Pol, <a href="http://www.polprimos.com/imagenespub/polprdipi.jpg">Divisors and pi(x)</a>

%F a(n) = A219730(n) - A219729(n). - _Tamas Sandor Nagy_, Jan 20 2024

%Y Cf. A056737, A018253, A160811, A160812, A161205, A161344, A161345, A161424, A006446, A161828, A161835, A219729, A219730.

%K nonn

%O 1,3

%A _Omar E. Pol_, Jun 21 2009

%E Extended beyond a(16) by _R. J. Mathar_, Aug 01 2009