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A086442 A086323(n)/n. 0
1, 1, 2, 2, 6, 6, 18, 20, 50, 74, 186, 216, 630, 916, 2002, 3040, 7710, 10806, 27594, 40642, 94658, 158492, 364722, 516682, 1333926, 2180772, 4770374, 7845774, 18512790, 28706044, 69273666, 111116576, 251853466, 436650938, 977895330 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..35.

CROSSREFS

Sequence in context: A071908 A011260 A117855 * A071407 A309094 A109859

Adjacent sequences:  A086439 A086440 A086441 * A086443 A086444 A086445

KEYWORD

nonn

AUTHOR

Vladeta Jovovic, Sep 09 2003

EXTENSIONS

More terms from Max Alekseyev, Sep 25 2009

STATUS

approved

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Last modified November 12 09:01 EST 2019. Contains 329052 sequences. (Running on oeis4.)