OFFSET
1,1
COMMENTS
Column 5 of A269619.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 35*a(n-1) -519*a(n-2) +4195*a(n-3) -19640*a(n-4) +51000*a(n-5) -56851*a(n-6) -16105*a(n-7) +50448*a(n-8) +35280*a(n-9) +12993*a(n-10) +3195*a(n-11) +444*a(n-12) +30*a(n-13)
EXAMPLE
Some solutions for n=6
..2. .1. .5. .1. .2. .5. .3. .4. .0. .5. .3. .2. .0. .5. .1. .4
..5. .4. .3. .4. .0. .3. .4. .2. .5. .2. .1. .3. .2. .3. .2. .0
..5. .3. .3. .2. .1. .0. .3. .5. .5. .5. .4. .3. .2. .3. .0. .3
..4. .3. .2. .3. .5. .3. .5. .0. .4. .3. .3. .5. .1. .3. .4. .1
..3. .5. .2. .2. .0. .4. .4. .4. .5. .3. .4. .2. .3. .5. .5. .3
..4. .0. .5. .5. .5. .1. .0. .3. .1. .4. .1. .4. .5. .4. .3. .0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 01 2016
STATUS
approved