OFFSET
1,1
COMMENTS
Column 5 of A219078
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..91
FORMULA
Empirical: a(n) = 20*a(n-1) +158*a(n-2) +2330*a(n-3) +5837*a(n-4) +17850*a(n-5) -57426*a(n-6) -279582*a(n-7) -163347*a(n-8) +746554*a(n-9) +983888*a(n-10) -474072*a(n-11) -1651489*a(n-12) -646204*a(n-13) +913420*a(n-14) +1038852*a(n-15) +300209*a(n-16) -257176*a(n-17) -347922*a(n-18) -148694*a(n-19) +11843*a(n-20) -2590*a(n-21) +19366*a(n-22) -18694*a(n-23) +8067*a(n-24) -1302*a(n-25) -60*a(n-26) +180*a(n-27) -15*a(n-28)
EXAMPLE
Some solutions for n=3
..0..1..1..1..1....0..1..1..1..1....0..0..1..1..0....0..1..1..1..1
..0..1..0..1..0....0..1..0..1..0....1..1..0..0..1....0..1..1..1..0
..1..0..0..1..1....0..1..0..1..1....1..0..0..1..0....0..1..1..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 11 2012
STATUS
approved