OFFSET
1,1
COMMENTS
Column 5 of A264379.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..6..2..3..7..8.11....1..2..3..7.10..9....6..2..8..7.10..9....6..7..8..4.10..9
..0..1.12.10..4.15....0.13.12.15..4..5....0..1.12.13..4..5....0..1.14..3.16.15
.13.19.18..5.17.21....6.14.18.21.17.11...18..3.15.21.17.11....2.19.18..5.17.11
.24..9.14.27.16.29....8.20.24.22.26.27...24.25.26.22.16.27...12.13.24.27.28.29
.25.26.20.28.22.23...25.19.16.28.29.23...14.19.20.28.29.23...25.26.20.21.22.23
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 12 2015
STATUS
approved