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A179628
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Sum of the numbers already killed in the first jump of a Sieve of Eratosthenes table.
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2
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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
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OFFSET
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0,2
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COMMENTS
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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]
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LINKS
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CROSSREFS
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KEYWORD
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easy,nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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