OFFSET
1,1
COMMENTS
Row 7 of A264476.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..6..0..1..2..3....6..7..8..2..3....6..0..1..9..3....6..7..1..9..3
.11.12.13..7..4....0..1.13.14..4...11.12..2..7..4....0.12..2.14..4
..5.10.18..8..9...16.10.11.19..9....5.10.18..8.13....5.17.11..8.13
.21.15.23.24.14...21..5.12.24.18...21.22.23.24.14...10.22.16.24.18
.26.16.17.29.19...15.20.17.22.23...15.16.17.29.19...15.27.21.29.19
.20.25.22.34.28...31.32.26.27.28...31.32.26.27.28...20.25.26.34.28
.36.37.31.39.33...25.37.38.39.29...25.20.38.39.33...36.37.31.39.23
.30.35.32.27.38...30.35.36.33.34...30.35.36.37.34...30.35.32.33.38
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 14 2015
STATUS
approved