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2, 4, 22, 64, 132, 231, 5472, 8877, 34635, 57550, 75542, 636667, 739799, 1291879, 2081880, 3064827, 4039368, 9433189, 16966370, 211947608, 367298045, 1101086463, 1541079585, 16915330550, 20775909209, 24450416187
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| Alternatively: integers of the form A007468(j)/j sorted w.r.t. increasing j. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 16 2007
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MAPLE
| A000217 := proc(n) n*(n+1)/2 ; end: A007468 := proc(n) add( ithprime(j), j=A000217(n-1)+1..A000217(n)) ; end: for n from 1 do a := A007468(n) ; if a mod n =0 then print(a/n) ; fi ; od: - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 16 2007
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CROSSREFS
| Cf. A134244 A134245.
Sequence in context: A067654 A152120 A072355 * A071298 A152104 A047035
Adjacent sequences: A134243 A134244 A134245 * A134247 A134248 A134249
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KEYWORD
| nonn
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AUTHOR
| Enoch Haga (Enokh(AT)comcast.net), Oct 15 2007, Oct 16 2007
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EXTENSIONS
| Better definition from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 16 2007
a(24)-a(26) from Max Alekseyev (maxale(AT)gmail.com), Jul 29 2011
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