OFFSET
1,1
COMMENTS
Column 6 of A279709.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 37*a(n-1) -596*a(n-2) +5876*a(n-3) -41252*a(n-4) +223532*a(n-5) -977316*a(n-6) +3536050*a(n-7) -10754246*a(n-8) +27797517*a(n-9) -61642501*a(n-10) +118357619*a(n-11) -198557227*a(n-12) +293436184*a(n-13) -384520035*a(n-14) +448773667*a(n-15) -467646170*a(n-16) +435555142*a(n-17) -362596124*a(n-18) +269556370*a(n-19) -178530525*a(n-20) +104895669*a(n-21) -54315067*a(n-22) +24563722*a(n-23) -9593323*a(n-24) +3191542*a(n-25) -889524*a(n-26) +203375*a(n-27) -37080*a(n-28) +5175*a(n-29) -518*a(n-30) +33*a(n-31) -a(n-32) for n>33
EXAMPLE
Some solutions for n=4
..0..1..0..1..0..0. .0..1..0..1..0..1. .0..1..0..1..1..0. .0..1..0..1..0..1
..0..1..0..1..1..0. .0..1..0..1..0..1. .0..1..0..0..1..0. .0..1..0..1..1..0
..0..1..0..1..0..1. .1..0..1..0..1..1. .1..0..1..1..0..1. .0..1..0..0..0..1
..0..1..0..1..0..1. .1..0..1..0..0..1. .1..0..0..1..0..1. .1..0..1..1..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 17 2016
STATUS
approved