Irregular table read by rows: Take a heptagon with all diagonals drawn, as in A329713. Then T(n,k) = number of k-sided polygons in that figure for k >= 3.
A329714
Irregular table read by rows: Take a heptagon with all diagonals drawn, as in A329713. Then T(n,k) = number of k-sided polygons in that figure for k >= 3.
Terms
- a(0) =35a(1) =7a(2) =7a(3) =0a(4) =1a(5) =504a(6) =224a(7) =112a(8) =28a(9) =2331a(10) =1883a(11) =1008a(12) =273a(13) =92a(14) =7a(15) =7658a(16) =6314a(17) =3416a(18) =798a(19) =182a(20) =28a(21) =18662a(22) =17514a(23) =8463a(24) =2898a(25) =714a(26) =175a(27) =28a(28) =7a(29) =0
External references
- oeis: A329714