A326921 Triangle (1 <= k <= n) read by rows: row n gives lexicographically earliest evenly spaced arrangement of weights 1...n around the circumference of a circular disk minimizing the resulting imbalance.

1, 1, 2, 1, 2, 3, 1, 3, 2, 4, 1, 4, 3, 2, 5, 1, 4, 5, 2, 3, 6, 1, 4, 7, 2, 3, 5, 6, 1, 4, 7, 3, 6, 2, 5, 8, 1, 5, 9, 2, 7, 3, 4, 8, 6, 1, 4, 5, 8, 9, 2, 3, 6, 7, 10, 1, 8, 9, 5, 2, 6, 10, 7, 3, 4, 11, 1, 2, 6, 10, 8, 9, 4, 5, 3, 7, 11, 12, 1, 2, 7, 12, 13, 4, 5, 3, 8, 6, 11, 9, 10

Offset

1,3

Comments

For comments and references see A118887 and A118888.

Links

Hugo Pfoertner, Table of n, a(n) for n = 1..171, rows 1..18 of triangle, flattened.

Crossrefs

Cf. A118887, A118888.

Sequence in context: A249783 A352964 A209278 * A370408 A358090 A286343

Adjacent sequences: A326918 A326919 A326920 * A326922 A326923 A326924

Keyword

nonn,tabl

Author

Hugo Pfoertner, Oct 21 2019

Status

approved