OFFSET
1,2
COMMENTS
Column 5 of A264628.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..1..2..8..4..5.11....6..2..3..4..5.17....6..2..8..4..5.11....6..2..3..9..5.11
.18..0.20.10..3.17...18..0..1.15.11.23...12..0..1.15..3.17...12..0..1.15.16..4
.13..6..7.27..9.23...13.14..7..8..9.10...13.19..7.16..9.10...13.14..7..8.17.10
.24.12.21.14.15.16...24.12.21.27.28.16...24.20.26.14.23.29...24.20.26.27.23.29
.25.26.19.28.29.22...25.26.19.20.29.22...25.18.27.28.21.22...25.18.19.28.21.22
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 19 2015
STATUS
approved