OFFSET
1,1
COMMENTS
Column 2 of A236451
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 36*a(n-2) +356*a(n-3) +4344*a(n-4) +20686*a(n-5) +29714*a(n-6) -31380*a(n-7) -97187*a(n-8) -8638*a(n-9) -75077*a(n-10) -613287*a(n-11) -385421*a(n-12) +493270*a(n-13) +214944*a(n-14) +4921728*a(n-15) +12218501*a(n-16) +5327294*a(n-17) -8969592*a(n-18) -18816047*a(n-19) -32373495*a(n-20) -51099082*a(n-21) -9749467*a(n-22) +62349330*a(n-23) +27150861*a(n-24) +15857513*a(n-25) +34953995*a(n-26) -21410588*a(n-27) -9398131*a(n-28) +10813876*a(n-29) -1372244*a(n-30) -440320*a(n-31) +788640*a(n-32) -207360*a(n-33) +8704*a(n-34) for n>37
EXAMPLE
Some solutions for n=2
..1..3..0....0..3..1....0..1..2....2..0..3....0..3..2....2..0..1....0..1..2
..1..3..1....3..3..3....2..1..2....0..1..2....3..2..3....3..2..1....2..1..1
..0..3..3....1..1..0....2..1..3....1..0..2....2..1..0....1..1..1....0..3..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 26 2014
STATUS
approved