OFFSET
1,1
COMMENTS
Column 4 of A303513.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 5*a(n-1) +7*a(n-2) +99*a(n-3) -482*a(n-4) -681*a(n-5) -2698*a(n-6) +13485*a(n-7) +22539*a(n-8) +27459*a(n-9) -140267*a(n-10) -302923*a(n-11) -131910*a(n-12) +376792*a(n-13) +1510236*a(n-14) +732682*a(n-15) +1218599*a(n-16) -343697*a(n-17) -2451159*a(n-18) -2797915*a(n-19) -6446588*a(n-20) -3533010*a(n-21) -9167207*a(n-22) -559623*a(n-23) +5168665*a(n-24) +378626*a(n-25) +12277231*a(n-26) +3950243*a(n-27) +13116503*a(n-28) -787054*a(n-29) +5542994*a(n-30) -5097728*a(n-31) -10331014*a(n-32) -930778*a(n-33) -90149*a(n-34) +2007960*a(n-35) -3104789*a(n-36) +2064448*a(n-37) -398462*a(n-38) +878066*a(n-39) -474460*a(n-40) -28751*a(n-41) -88034*a(n-42) +102424*a(n-43) -17942*a(n-44) -12478*a(n-45) +2552*a(n-46) +932*a(n-47) -208*a(n-48) +16*a(n-49) for n>51
EXAMPLE
Some solutions for n=5
..0..1..0..1. .0..1..1..0. .0..0..1..0. .0..1..1..0. .0..1..1..0
..0..1..0..1. .0..1..1..0. .1..0..0..0. .0..0..0..1. .0..0..1..0
..1..0..0..1. .0..0..0..0. .0..1..0..1. .0..1..0..1. .1..0..1..0
..0..1..0..1. .1..0..0..1. .0..0..0..0. .0..1..0..1. .1..0..1..0
..1..1..0..1. .0..0..1..1. .0..1..1..1. .0..1..1..1. .0..1..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 25 2018
STATUS
approved