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Search: id:A155852
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| A155852 |
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n is prime and is the sum of the first k primes for some k in A071151. |
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+0
1
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| 3, 509, 146749, 26444543, 187206119, 735187721, 1662266153, 2146936021, 2844048943, 4335869143, 5539721989, 5990371801, 6145377247, 6788645863, 10092092897, 19122368737, 20186509381, 25745240897, 32732349829
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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3+127+379=509 (prime), ...
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MATHEMATICA
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s1=s2=0; lst={}; Do[p=Prime[n]; s1+=p; If[PrimeQ[s1], s2+=s1; If[PrimeQ[s2], AppendTo[lst, s2]]], {n, 2, 8!}]; lst
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CROSSREFS
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Cf. A013918, A071151, A155851
Sequence in context: A057632 A024045 A160362 this_sequence A003392 A133026 A100339
Adjacent sequences: A155849 A155850 A155851 this_sequence A155853 A155854 A155855
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KEYWORD
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nonn
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AUTHOR
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Vladimir Orlovsky (4vladimir(AT)gmail.com), Jan 29 2009
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