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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. 3

%I #13 Oct 22 2019 15:57:45

%S 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,

%T 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,

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

%N 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.

%C For comments and references see A118887 and A118888.

%H Hugo Pfoertner, <a href="/A326921/b326921.txt">Table of n, a(n) for n = 1..171</a>, rows 1..18 of triangle, flattened.

%Y Cf. A118887, A118888.

%K nonn,tabl

%O 1,3

%A _Hugo Pfoertner_, Oct 21 2019

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