OFFSET
1,2
COMMENTS
Column 6 of A264628.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..184
EXAMPLE
Some solutions for n=4
..1..2..3..4..5..6.20....7..2.16.10..5..6.13....1.15..9..4.11..6.13
..8..0.16.11.12.13.27....8..0..1.11..3..4.27....8..0.16..2..3.19..5
.15..7.23..9.10.33.34...15.22.30..9.32.20.12...21..7.17.18.10.20.12
.28.14.30.31.17.18.19...28.14.24.25.17.18.19...28.14.24.31.32.27.34
.29.21.22.32.24.25.26...29.21.31.23.33.34.26...29.30.22.23.33.25.26
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 19 2015
STATUS
approved