what makes a good problem?. kobon fujimura 3 lines 1 triangle
TRANSCRIPT
Kobon Fujimura
3 lines 1 triangle
4 lines 2 triangle
5 lines 5 triangles
6 lines 7 triangles
6 lines 7 triangles
7 lines 11 triangles
8 lines 12 triangles
9 lines 21 triangles
10 lines 25 triangles
13 lines 47 triangles
15 lines 65 triangles
Number of Lines (n)
Upper limit of Triangles: n(n-2)/3 rounded down
Best Discovered
3 1 1
4 2 2
5 5 5
6 8 7
7 11 11
8 16 15
9 21 21
10 26 25
11 33 32
12 40 38
13 47 47
14 56 53
15 65 65
Number of Lines (n)
n(n-2)/3 rounded down Best Discovered
3 1 1
4 2 2
5 5 5
6 8 7
7 11 11
8 16 15
9 21 21
10 26 25
11 33 32
12 40 38
13 47 47
14 56 53
15 65 65
Number of Lines (n)
Upper limit of Triangles: n(n-2)/3 rounded down
Best Discovered
3 1 1
4 2 2
5 5 5
6 8 7
7 11 11
8 16 15
9 21 21
10 26 25
11 33 32
12 40 38
13 47 47
14 56 53
15 65 65
Number of Lines (n)
Upper limit of Triangles: n(n-2)/3 rounded down
Best Discovered
3 1 1
4 2 2
5 5 5
6 8 7
7 11 11
8 16 15
9 21 21
10 26 25
11 33 32
12 40 38
13 47 47
14 56 53
15 65 65
Number of Lines (n)
Upper limit of Triangles: n(n-2)/3 rounded down
Best Discovered
3 1 1
4 2 2
5 5 5
6 8 7
7 11 11
8 16 15
9 21 21
10 26 25
11 33 32
12 40 38
13 47 47
14 56 53
15 65 65
3 lines 1 triangle
4 lines 2 triangle
5 lines 5 triangles
6 lines 7 triangles
6 lines 7 triangles
7 lines 11 triangles
8 lines 12 triangles
9 lines 21 triangles
10 lines 25 triangles
13 lines 47 triangles
15 lines 65 triangles