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A335736
Irregular table read by rows: n-sect the angles of a hexagon. Then T(n,k) = number of k-sided polygons in that figure for k >= 3.
3
0, 0, 0, 1, 6, 24, 30, 6, 0, 0, 0, 0, 0, 0, 1, 18, 6, 84, 54, 30, 12, 0, 0, 0, 0, 0, 1, 114, 36, 24, 168, 120, 60, 24, 6, 0, 0, 0, 0, 1, 132, 78, 18, 6, 252, 264, 60, 48, 6, 6, 0, 0, 0, 1, 276, 240, 78, 12, 408, 324, 150, 84, 0, 6, 0, 0, 0, 1, 366, 216, 96, 30
OFFSET
1,5
COMMENTS
For n<=200 no polygon has more than 12 edges.
EXAMPLE
The table begins
0, 0, 0, 1;
6;
24, 30, 6, 0, 0, 0, 0, 0, 0, 1;
18, 6;
84, 54, 30, 12, 0, 0, 0, 0, 0, 1;
114, 36, 24;
168, 120, 60, 24, 6, 0, 0, 0, 0, 1;
132, 78, 18, 6;
252, 264, 60, 48, 6, 6, 0, 0, 0, 1;
276, 240, 78, 12;
408, 324, 150, 84, 0, 6, 0, 0, 0, 1;
366, 216, 96, 30;
CROSSREFS
Cf. A331932 (n-sected sides, not angles), A335733 (regions), A335734 (vertices), A335735 (edges).
Sequence in context: A294900 A344700 A064510 * A228383 A249667 A114274
KEYWORD
nonn,tabf
AUTHOR
Lars Blomberg, Jun 21 2020
STATUS
approved