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Search: id:A121268
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A121268 Generating function = sum over all subsets S of the integers {0,1,2...} of 1/sum(1/x^n for n in S) +0
1
1, 2, 3, 7, 11, 25, 44, 94, 176, 367, 703, 1447, 2820, 5740, 11307, 22858, 45280, 91195, 181364, 364176, 725941, 1455473, 2905063, 5818958, 11623598, 23268350, 46503053, 93057123, 186032424, 372189177, 744179880, 1488662935, 2976845896 (list; graph; listen)
OFFSET

0,2

REFERENCES

J.-M. Luck and Anita Mehta, work in progress.

EXAMPLE

Generating function = 1+2x+3x^2+7x^3+...

CROSSREFS

Sequence in context: A128631 A092217 A007481 this_sequence A101173 A005246 A116406

Adjacent sequences: A121265 A121266 A121267 this_sequence A121269 A121270 A121271

KEYWORD

nonn

AUTHOR

Jean-Marc Luck (luck(AT)dsm-mail.saclay.cea.fr), Aug 23 2006

page 1

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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