OFFSET
1,3
COMMENTS
Apparently no formula or recurrence is known for these numbers.
LINKS
Chai Wah Wu, Table of n, a(n) for n = 1..1638
Virginia Johnson, C. K. Cook, Areas of Triangles and other Polygons with Vertices from Various Sequences, arXiv preprint arXiv:1608.02420 [math.CO], 2016.
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jul 28 2017
EXTENSIONS
More terms from Chai Wah Wu, Jul 30 2017
STATUS
approved