login
A289343
a(n) = A289191(prime(n)).
2
2, 4, 112, 11292, 740754220, 361711410384, 222595582448849152, 258327454310582805036, 661821993709898403923269564, 10266982973657640119698928948136690256, 34586475747666402744018445215769168804860, 2847089959666118831608487671650698855934142888811472
OFFSET
1,1
COMMENTS
The case n=2 is a degenerate polygon (two sides connecting two vertices). The two possibilities are when the edges cross and do not cross. Polygons start at n=3 with a triangle.
FORMULA
a(n) = A289191(prime(n))
CROSSREFS
Cf. A289191.
Sequence in context: A156506 A018455 A264648 * A018463 A132497 A009484
KEYWORD
nonn
AUTHOR
Marko Riedel, Jul 02 2017
STATUS
approved