OFFSET
1,1
COMMENTS
Column 5 of A275504.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = a(n-1) +16*a(n-2) -120*a(n-4) -55*a(n-5) +549*a(n-6) +319*a(n-7) -1772*a(n-8) -891*a(n-9) +4300*a(n-10) +1407*a(n-11) -7992*a(n-12) -1155*a(n-13) +11470*a(n-14) +a(n-15) -12854*a(n-16) +1155*a(n-17) +11372*a(n-18) -1407*a(n-19) -7960*a(n-20) +891*a(n-21) +4357*a(n-22) -320*a(n-23) -1820*a(n-24) +55*a(n-25) +560*a(n-26) -120*a(n-28) -a(n-29) +16*a(n-30) -a(n-32) for n>36
EXAMPLE
Some solutions for n=4
..0..1..2..1..1. .0..0..0..0..1. .0..0..0..0..0. .0..0..0..1..0
..1..2..2..0..0. .2..1..1..1..2. .1..1..1..1..1. .0..1..1..1..2
..1..2..0..0..2. .1..1..2..2..2. .2..2..2..2..2. .1..2..2..2..2
..0..0..0..1..1. .1..0..0..0..0. .0..0..0..0..0. .1..2..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 30 2016
STATUS
approved