OFFSET
1,1
COMMENTS
Column 6 of A264299.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..182
EXAMPLE
Some solutions for n=4
..2..3..1.10.11.12..5....7..8..1..2..3..4..5....2..8..9.10..6.12.13
..0..7..8..9..4.19..6....0.15.11..9.13.19..6....0..1.11..3..4..5.20
.21.14.15.16.17.18.13...21.14.18.10.20.12.27....7.14.18.19.17.26.27
.28.29.22.23.24.25.20...28.29.16.17.32.25.34...28.15.16.23.24.25.34
.30.31.32.33.34.26.27...30.22.23.24.31.26.33...21.22.29.30.31.32.33
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 11 2015
STATUS
approved