OFFSET
1,2
COMMENTS
Column 3 of A281251.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 14*a(n-1) -37*a(n-2) -137*a(n-3) +133*a(n-4) +1003*a(n-5) +3804*a(n-6) +5187*a(n-7) -2352*a(n-8) -9604*a(n-9) -8788*a(n-10) +20660*a(n-11) +73716*a(n-12) +13836*a(n-13) -107898*a(n-14) -90512*a(n-15) +29977*a(n-16) +283636*a(n-17) +190689*a(n-18) -510519*a(n-19) -322065*a(n-20) +553505*a(n-21) +160238*a(n-22) -387019*a(n-23) +48576*a(n-24) +108354*a(n-25) -163512*a(n-26) -22652*a(n-27) +75376*a(n-28) +6952*a(n-29) +12160*a(n-30) +24352*a(n-31) +7936*a(n-32) +2432*a(n-33) +2048*a(n-34) +512*a(n-35) for n>45
EXAMPLE
Some solutions for n=4
..0..1..2. .0..1..0. .0..1..0. .0..1..2. .0..0..1. .0..0..1. .0..1..0
..0..2..1. .0..2..0. .1..0..1. .2..0..1. .1..1..2. .1..1..2. .0..0..2
..1..2..2. .0..1..2. .0..1..2. .2..0..1. .2..2..0. .0..2..0. .2..1..2
..2..1..0. .0..2..0. .0..2..1. .1..0..1. .1..1..0. .1..2..0. .1..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 18 2017
STATUS
approved