OFFSET
1,1
COMMENTS
Column 7 of A236055
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 5*a(n-2) +26*a(n-4) -26*a(n-6) -27*a(n-8) -1747*a(n-10) -272*a(n-12) -37717*a(n-14) -62475*a(n-16) +342630*a(n-18) +839939*a(n-20) +4400241*a(n-22) +2441946*a(n-24) -9127258*a(n-26) -22859130*a(n-28) -161997232*a(n-30) -301797384*a(n-32) -438054576*a(n-34) +1413159680*a(n-36) +3841915520*a(n-38) -400228160*a(n-40) -851565568*a(n-42) -1236199808*a(n-44) -2446382592*a(n-46) +1411232256*a(n-48) +27648000*a(n-50) +944087040*a(n-52) +199065600*a(n-54) -1658880000*a(n-56) for n>63
EXAMPLE
Some solutions for n=1
..1..1..2..0..1..2..2..0....0..0..0..0..2..2..1..1....0..1..1..1..1..1..2..0
..1..1..2..1..0..1..2..1....2..0..0..1..1..1..0..0....2..1..0..2..1..1..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 18 2014
STATUS
approved