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A376998
Minimum number of matchsticks required to make equilateral triangles of side lengths 1, 2, ..., n simultaneously.
1
3, 7, 12, 17, 23
OFFSET
1,1
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.
CROSSREFS
Cf. A294249.
Sequence in context: A310247 A350426 A332263 * A310248 A298022 A227133
KEYWORD
nonn,more,changed
AUTHOR
John King, Oct 20 2024
STATUS
approved