OFFSET
1,1
COMMENTS
Column 4 of A253749
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 7*a(n-1) -21*a(n-2) +36*a(n-3) -34*a(n-4) -11*a(n-5) +107*a(n-6) -199*a(n-7) +198*a(n-8) -46*a(n-9) -232*a(n-10) +461*a(n-11) -440*a(n-12) +141*a(n-13) +295*a(n-14) -581*a(n-15) +490*a(n-16) -120*a(n-17) -270*a(n-18) +435*a(n-19) -274*a(n-20) -17*a(n-21) +201*a(n-22) -201*a(n-23) +54*a(n-24) +86*a(n-25) -112*a(n-26) +59*a(n-27) +12*a(n-28) -49*a(n-29) +37*a(n-30) -11*a(n-31) -5*a(n-32) +9*a(n-33) -5*a(n-34) +a(n-35) for n>47
EXAMPLE
Some solutions for n=2
..2..1..0..0..1....1..0..0..0..0....0..0..0..1..2....0..1..2..2..2
..2..1..1..1..1....0..0..0..0..2....0..0..1..2..2....1..1..1..1..1
..2..2..2..2..0....1..1..1..0..2....2..2..1..1..2....2..2..2..2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 11 2015
STATUS
approved