OFFSET
1,1
COMMENTS
Column 4 of A250942
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 32*a(n-1) -484*a(n-2) +4602*a(n-3) -30861*a(n-4) +155214*a(n-5) -607776*a(n-6) +1898436*a(n-7) -4807563*a(n-8) +9976284*a(n-9) -17075340*a(n-10) +24182082*a(n-11) -28338375*a(n-12) +27397590*a(n-13) -21713520*a(n-14) +13959072*a(n-15) -7163424*a(n-16) +2864448*a(n-17) -859904*a(n-18) +182272*a(n-19) -24320*a(n-20) +1536*a(n-21) for n>29
EXAMPLE
Some solutions for n=3
..1..1..0..1..0....1..2..0..0..2....2..1..0..0..1....1..2..1..0..0
..1..1..0..1..0....2..1..1..2..0....1..2..1..1..0....1..2..2..1..1
..2..0..1..0..2....2..2..2..1..1....2..1..2..0..1....1..2..2..1..1
..2..0..1..0..2....2..2..2..1..2....2..1..2..0..1....1..2..2..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 28 2014
STATUS
approved