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Search: id:A154422
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A154422 Continue with summing & priming the A153089 (level 3) list to level 4. +0
3
2, 50575480511, 158413287841, 379787123171, 88082548147771, 3939163325960453, 4342203121792903, 41672041797268133, 92013021551247323, 145937058697288751, 157891295660264779, 270930872865589619 (list; graph; listen)
OFFSET

1,1

COMMENT

See comments in A153089.

LINKS

M. J. Crowe, Table of n, a(n) for n=1,...,10000

MATHEMATICA

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

CROSSREFS

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

KEYWORD

nonn

AUTHOR

Michael J. Crowe (michaelcrowe117(AT)btinternet.com), Jan 09 2009

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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