A326759 a(n) is the Z-coordinate of the n-th nonattacking queen placed by greedy algorithm on N^3 (as described in A326757).

0, 2, 1, 0, 4, 1, 0, 4, 2, 0, 6, 5, 3, 0, 6, 3, 2, 1, 0, 3, 1, 7, 6, 5, 0, 9, 3, 2, 7, 6, 5, 4, 2, 10, 8, 2, 1, 5, 4, 3, 1, 12, 9, 5, 4, 1, 12, 11, 3, 2, 1, 11, 9, 8, 7, 3, 2, 1, 14, 12, 9, 8, 7, 3, 1, 12, 8, 6, 5, 4, 2, 1, 16, 14, 13, 8, 7, 4, 2, 0, 14, 13

Offset: 0

Author

Rémy Sigrist and N. J. A. Sloane, Jul 23 2019

Keywords

• nonn

Links

• Rémy Sigrist, Table of n, a(n) for n = 0..10000
• Rémy Sigrist, PARI program for A326759

Crossrefs

See A326757 for the X-coordinates and additional comments.

Programs

PARI

See Links section.