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A109140 Denominators associated with A109139. 3
1, 1, 3, 7, 31, 69, 307, 683, 3039, 18917, 40873, 264155, 1097493, 2459141, 10934057, 68063483, 419314955, 906693393, 5859475313, 24344594645, 54548664603, 351636582263, 1461094993655, 9118206544193 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..23.

CROSSREFS

Cf. A109139.

Sequence in context: A183075 A292890 A042131 * A088193 A091383 A166501

Adjacent sequences:  A109137 A109138 A109139 * A109141 A109142 A109143

KEYWORD

nonn,frac

AUTHOR

Giorgio Balzarotti, Aug 18 2005

STATUS

approved

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Last modified June 19 23:27 EDT 2021. Contains 345154 sequences. (Running on oeis4.)