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A184279 Number of distinct n X 2 toroidal 0..2 arrays. 2
6, 27, 130, 855, 5934, 44487, 341802, 2691675, 21524542, 174348099, 1426419858, 11767964475, 97764131646, 817028814447, 6863038218842, 57906884938095, 490505347906086, 4169295457231347, 35548729443032994, 303941636737938639 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Andrew Howroyd, Table of n, a(n) for n = 1..200

CROSSREFS

Column 2 of A184284.

Sequence in context: A109115 A038176 A104745 * A299598 A343492 A323928

Adjacent sequences:  A184276 A184277 A184278 * A184280 A184281 A184282

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 10 2011

EXTENSIONS

Terms a(17) and beyond from Andrew Howroyd, Sep 27 2017

STATUS

approved

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Last modified July 4 05:07 EDT 2022. Contains 355064 sequences. (Running on oeis4.)