OFFSET
1,2
COMMENTS
Row 3 of A278188.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 34*a(n-1) -276*a(n-2) +250*a(n-3) +5297*a(n-4) -20136*a(n-5) +4831*a(n-6) +181378*a(n-7) -1050607*a(n-8) +2611385*a(n-9) +2377130*a(n-10) -24865181*a(n-11) +58571426*a(n-12) -124741804*a(n-13) +39013769*a(n-14) +962725072*a(n-15) -2120258810*a(n-16) +2060359647*a(n-17) -6830682990*a(n-18) +17373603369*a(n-19) -36590870077*a(n-20) +112123187091*a(n-21) -229499868670*a(n-22) +218602997839*a(n-23) -35696895236*a(n-24) -141877021986*a(n-25) +185847138194*a(n-26) -164177014211*a(n-27) +146029335334*a(n-28) -90825738933*a(n-29) +63377392966*a(n-30) -55308439922*a(n-31) +56311709818*a(n-32) -26237133100*a(n-33) +16744394402*a(n-34) -8107373456*a(n-35) +4217643492*a(n-36) -1328832216*a(n-37) +353058936*a(n-38) -437975888*a(n-39) +53293248*a(n-40) -15240960*a(n-41) +1330560*a(n-42) -207360*a(n-43)
EXAMPLE
Some solutions for n=4
..0..1..1..2. .0..3..2..0. .0..2..3..2. .0..2..1..3. .0..3..2..1
..0..2..0..3. .1..0..2..1. .1..3..0..2. .1..3..1..0. .1..3..0..0
..3..3..3..2. .2..3..3..1. .0..0..1..0. .2..3..0..3. .2..2..2..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 14 2016
STATUS
approved