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Search: id:A004730
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A004730 Numerator of n!!/(n+1)!!. +0
4
1, 1, 2, 3, 8, 5, 16, 35, 128, 63, 256, 231, 1024, 429, 2048, 6435, 32768, 12155, 65536, 46189, 262144, 88179, 524288, 676039, 4194304, 1300075, 8388608, 5014575, 33554432, 9694845, 67108864, 300540195, 2147483648 (list; graph; listen)
OFFSET

0,3

REFERENCES

S. Janson, On the traveling fly problem, Graph Theory Notes of New York, Vol. XXXI, 17, 1996.

LINKS

T. D. Noe, Table of n, a(n) for n=0..300

CROSSREFS

Cf. A004731.

Sequence in context: A095168 A130479 A094181 this_sequence A050369 A070935 A095164

Adjacent sequences: A004727 A004728 A004729 this_sequence A004731 A004732 A004733

KEYWORD

nonn

AUTHOR

njas

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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