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A345649
Number of vertices formed when connecting all 4n points on the perimeter of an n X n square by infinite lines.
3
0, 5, 61, 465, 1585, 5257, 9749, 24025, 38381, 67177, 100889, 176005, 210033, 360877, 450349, 589581, 779541, 1127509, 1251805, 1806061, 1970129, 2504401, 3116945, 4017701, 4163753, 5433657, 6335589
OFFSET
0,2
COMMENTS
See A345459 for images of the polygons.
FORMULA
a(n) = A345650(n) - A345459(n) + 1.
CROSSREFS
Cf. A345459 (number of polygons), A345650 (number of edges), A255011, A345648, A344993, A344857, A092098, A007678.
Sequence in context: A281713 A060060 A183379 * A000363 A200956 A203358
KEYWORD
nonn,more
AUTHOR
STATUS
approved