OFFSET
1,1
COMMENTS
Column 7 of A264364.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=2
..0..1.12..3.14.15..4..5...10..1..2.13..4..5..6..7....0.11.12..1..2.15..6..7
.18.19..2..9.10.23..6..7....0.19.20..3.22.11.12.15...18..9..8..3..4..5.14.13
..8.17.16.11.20.13.22.21....8..9.16.17.18.21.14.23...16.17.10.19.20.21.22.23
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 12 2015
STATUS
approved