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A335803
Irregular table read by rows: n-sect the angles of a decagon. Then T(n,k) = number of k-sided polygons in that figure for k >= 3.
3
0, 0, 0, 0, 0, 0, 0, 1, 10, 30, 120, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 50, 150, 240, 60, 20, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 250, 140, 40, 10, 300, 510, 130, 30, 0, 10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 120, 90, 10
OFFSET
1,9
EXAMPLE
The table begins
0, 0, 0, 0, 0, 0, 0, 1;
10;
30, 120, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1;
50;
150, 240, 60, 20, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1;
250, 140, 40, 10;
300, 510, 130, 30, 0, 10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1;
CROSSREFS
Cf. A332417 (n-sected sides, not angles), A335800 (regions), A335801 (vertices), A335802 (edges).
Sequence in context: A377068 A185829 A301664 * A259136 A098684 A268117
KEYWORD
nonn,tabf
AUTHOR
Lars Blomberg, Jun 25 2020
STATUS
approved