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Search: id:A127519
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A127519 a(n) = numerator of sum{k=1 to n} 1/A127518(k). +0
3
1, 4, 35, 187, 247, 1849, 2059, 2227, 789, 7381, 83711, 86021, 1145993, 1171733, 1195757, 2436559, 42142223, 14274301, 275295799, 55835135, 56540567, 19093197, 444316699, 1347822955, 34052522467, 309447273803, 312536252003 (list; graph; listen)
OFFSET

1,2

COMMENT

Every term is nonprime (1 or composite).

CROSSREFS

Cf. A127518, A127520.

Adjacent sequences: A127516 A127517 A127518 this_sequence A127520 A127521 A127522

Sequence in context: A011195 A025195 A005552 this_sequence A128811 A104526 A026304

KEYWORD

frac,nonn

AUTHOR

Leroy Quet (qq-quet(AT)mindspring.com), Jan 17 2007

EXTENSIONS

Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Jan 22 2007

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Last modified October 16 00:31 EDT 2008. Contains 145098 sequences.


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