A161416 Partial sums of A056737.

0, 1, 3, 3, 7, 8, 14, 16, 16, 19, 29, 30, 42, 47, 49, 49, 65, 68, 86, 87, 91, 100, 122, 124, 124, 135, 141, 144, 172, 173, 203, 207, 215, 230, 232, 232, 268, 285, 295, 298, 338, 339, 381, 388, 392, 413, 459, 461, 461, 466, 480, 489, 541, 544, 550, 551, 567, 594

Offset: 1

Author

Omar E. Pol, Jun 21 2009

Keywords

• nonn

Links

• Omar E. Pol, Determinacion geometrica de los numeros primos y perfectos
• Omar E. Pol, Divisors and pi(x)

Crossrefs

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

Formula

a(n) = A219730(n) - A219729(n). - Tamas Sandor Nagy, Jan 20 2024

Extensions

Extended beyond a(16) by R. J. Mathar, Aug 01 2009