|
|
A288248
|
|
Number of essentially different simple n-sided lattice polygons with minimum area subject to the conditions of A288247.
|
|
2
|
|
|
1, 1, 2, 2, 3, 4, 1, 3, 2, 10, 6, 5, 11, 4, 11, 19, 17, 55
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
3,3
|
|
COMMENTS
|
Polygons differing only by rotation and/or reflection are counted only once.
|
|
LINKS
|
Table of n, a(n) for n=3..20.
Michael Collier, Herbert Kociemba, Tom Sirgedas, Al Zimmermann - Polygonal Areas. Discussion in newsgroup dxdy.ru
|
|
CROSSREFS
|
Cf. A288247, A288250.
Sequence in context: A071507 A071509 A323731 * A159804 A330995 A104567
Adjacent sequences: A288245 A288246 A288247 * A288249 A288250 A288251
|
|
KEYWORD
|
nonn,more
|
|
AUTHOR
|
Hugo Pfoertner, Jun 07 2017
|
|
EXTENSIONS
|
Based on an exhaustive search performed by Michael Collier, a(12) corrected by Hugo Pfoertner, Jun 10 2017
|
|
STATUS
|
approved
|
|
|
|