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Search: id:A154422
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| A154422 |
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Continue with summing & priming the A153089 (level 3) list to level 4. |
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+0
3
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| 2, 50575480511, 158413287841, 379787123171, 88082548147771, 3939163325960453, 4342203121792903, 41672041797268133, 92013021551247323, 145937058697288751, 157891295660264779, 270930872865589619
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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See comments in A153089.
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LINKS
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M. J. Crowe, Table of n, a(n) for n=1,...,10000
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MATHEMATICA
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lst2={}; s2=0; Do[s2=s2+Prime[n]; If[PrimeQ[s2], AppendTo[lst2, s2]], {n, 1000000}]; lst3={}; s3=0; Do[s3=s3+lst2[[n]]; If[PrimeQ[s3], AppendTo[lst3, s3]], {n, 1, Length[lst2]}]; lst3; lst4={}; s4=0; Do[s4=s4+lst3[[n]]; If[PrimeQ[s4], AppendTo[lst4, s4]], {n, 1, Length[lst3]}]; lst4
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CROSSREFS
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A000040(Level 1),A013918(Level 2),A153089(Level 3),A154423(Level 5),A154424(Level 6)
Sequence in context: A094486 A109741 A105759 this_sequence A154423 A072293 A158343
Adjacent sequences: A154419 A154420 A154421 this_sequence A154423 A154424 A154425
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KEYWORD
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nonn
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AUTHOR
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Michael J. Crowe (michaelcrowe117(AT)btinternet.com), Jan 09 2009
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