OFFSET
1,2
COMMENTS
Column 3 of A301999.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 5*a(n-1) - 7*a(n-2) + 4*a(n-3).
Empirical: partial sums of A049219. - Sean A. Irvine, Jul 13 2022
EXAMPLE
Some solutions for n=5:
0 0 0 0 0 1 0 0 1 0 0 1 0 0 1 0 0 0 0 0 1
1 1 0 1 1 0 1 1 1 0 1 1 1 1 1 1 1 0 1 1 1
1 0 0 0 0 0 1 0 0 0 0 1 1 1 1 0 0 0 1 0 0
1 1 0 0 1 1 1 1 0 0 1 0 1 0 0 0 1 0 1 1 1
1 0 0 1 0 0 1 0 0 1 0 0 0 1 1 1 0 0 0 0 0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 30 2018
STATUS
approved