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Search: id:A145065
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| A145065 |
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a(n) = sum of primes <= n*10^9. |
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+0
1
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| 24739512092254535, 95673602693282040, 211169315361937456, 370412807102643725, 572840944428163514, 818062002011808625, 1105720106635140803, 1435543734762318281, 1807310307011831228, 2220822432581729238
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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a(1) = 2 + 3 + 5 + ... + 999999937 = 24739512092254535
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PROGRAM
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(Pari) A145065(n)=my(s=0); forprime(p=2, n*1e9, s+=p); s
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CROSSREFS
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Cf. A046731.
Sequence in context: A098143 A095432 A083216 this_sequence A080127 A003941 A003934
Adjacent sequences: A145062 A145063 A145064 this_sequence A145066 A145067 A145068
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KEYWORD
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nonn
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AUTHOR
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Jacques Tramu (jacques.tramu(AT)echolalie.com), Feb 20 2009
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EXTENSIONS
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Extended by Charles R Greathouse IV Jul 24 2009
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