OFFSET
1,4
COMMENTS
Column 1 of A265447.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
All solutions for n=4
..0....0
..1....2
..2....1
..3....3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 09 2015
STATUS
approved