A184279 Number of distinct n X 2 toroidal 0..2 arrays.

6, 27, 130, 855, 5934, 44487, 341802, 2691675, 21524542, 174348099, 1426419858, 11767964475, 97764131646, 817028814447, 6863038218842, 57906884938095, 490505347906086, 4169295457231347, 35548729443032994, 303941636737938639

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