OFFSET
1,1
COMMENTS
Column 6 of A260980
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 4*a(n-2) +4*a(n-4) +5*a(n-5) -24*a(n-6) -16*a(n-7) -5*a(n-8) -19*a(n-9) +45*a(n-10) +52*a(n-11) +93*a(n-12) +99*a(n-13) -146*a(n-14) -41*a(n-15) -248*a(n-16) -361*a(n-17) -18*a(n-18) +74*a(n-19) +403*a(n-20) +114*a(n-21) +370*a(n-22) +526*a(n-23) -274*a(n-24) -928*a(n-25) -347*a(n-26) +126*a(n-27) -792*a(n-28) -714*a(n-29) +668*a(n-30) +1443*a(n-31) -752*a(n-32) +268*a(n-33) +1848*a(n-34) -636*a(n-35) -1068*a(n-36) +1048*a(n-37) +576*a(n-38) -1660*a(n-39) -320*a(n-40) +808*a(n-41) -32*a(n-42) -380*a(n-43) +16*a(n-44) +192*a(n-45) for n>51
EXAMPLE
Some solutions for n=4
..0..0..0..0..0..0..1..0....0..0..0..1..0..0..0..0....1..0..0..0..1..0..0..1
..0..0..0..0..1..0..0..1....0..0..1..0..0..0..0..1....0..0..1..0..0..1..0..0
..0..1..0..0..0..1..0..0....0..0..0..0..1..0..0..0....0..0..0..1..0..0..0..1
..1..0..0..1..0..0..0..1....0..0..0..1..0..0..1..0....0..1..0..0..0..0..1..0
..0..0..1..0..0..0..0..0....1..0..0..0..0..1..0..0....1..0..0..0..0..0..0..0
..1..0..0..0..1..0..0..0....0..0..1..0..0..0..0..1....0..0..1..0..0..1..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Aug 06 2015
STATUS
approved