A179628 Sum of the numbers already killed in the first jump of a Sieve of Eratosthenes table.

0, 4, 23, 39, 116, 175, 306, 393, 578, 966, 1054, 1483, 1907, 2116, 2608, 3251, 3980, 4398, 5350, 5967, 6469, 7450, 8336, 9624, 11197, 12084, 12796, 13946, 14700, 15916, 19642, 21058, 22795, 23482, 27079, 28127, 30116, 32833, 34643, 37530, 39819

Offset: 0

Author

Odimar Fabeny, Jul 21 2010

Keywords

• easy
• nonn

Comments

2(4) = 0, 3(6) = 4, 5(10) = 23(6,8,9), 7(14) = 39(8,9,10,12), 11(22) = 116(12,14,15,16,18,20,21)

Sum of the composite numbers from prime(n) up to 2*prime(n)-1. [From R. J. Mathar, Jul 21 2010]

Crossrefs

Cf. A000040

Extensions

More terms from R. J. Mathar, Jul 21 2010