OFFSET
1,1
COMMENTS
Column 5 of A304931.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 2*a(n-1) +3*a(n-3) -2*a(n-4) -a(n-5) +6*a(n-6) -15*a(n-7) -7*a(n-8) -10*a(n-9) -3*a(n-10) -13*a(n-11) -13*a(n-12) +62*a(n-13) +39*a(n-14) +29*a(n-15) +13*a(n-16) +55*a(n-17) +10*a(n-18) -64*a(n-19) -46*a(n-20) -12*a(n-21) -90*a(n-22) -58*a(n-23) +22*a(n-24) -20*a(n-25) +5*a(n-26) -39*a(n-27) +8*a(n-28) +34*a(n-29) +37*a(n-30) -4*a(n-31) +9*a(n-32) -6*a(n-33) +4*a(n-34) for n>45
EXAMPLE
Some solutions for n=5
..0..0..0..1..0. .0..0..0..1..0. .0..1..0..0..0. .0..1..0..0..0
..1..0..0..0..0. .0..0..0..0..0. .0..0..0..0..1. .0..0..0..0..1
..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0
..0..0..0..0..0. .0..0..0..0..1. .0..0..0..0..0. .0..0..0..0..0
..0..1..0..0..0. .1..0..0..1..1. .0..0..0..1..0. .1..0..0..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, May 21 2018
STATUS
approved