A376998 Minimum number of matchsticks required to make equilateral triangles of side lengths 1, 2, ..., n simultaneously.

3, 7, 12, 17, 23

Offset: 1

Author

John King, Oct 20 2024

Keywords

• nonn
• more

Comments

Upper bounds for a(6)-a(15) are 29, 35, 41, 48, 55, 62, 69, 77, 85, 93.

The triangles are allowed to be oriented upside-down. All triangles should be within the largest triangle.

This is the triangle equivalent of A294249.

Links

• John King, Triangles 1 to 15

Crossrefs

Cf. A294249.