OFFSET
1,1
COMMENTS
Column 3 of A250841
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 61*a(n-1) -1470*a(n-2) +19787*a(n-3) -170809*a(n-4) +991976*a(n-5) -3713053*a(n-6) +6616739*a(n-7) +11490609*a(n-8) -99464486*a(n-9) +205734801*a(n-10) +122438873*a(n-11) -1485943225*a(n-12) +3033549790*a(n-13) -1789266403*a(n-14) -3556277194*a(n-15) +8728569971*a(n-16) -8222271838*a(n-17) +2970903256*a(n-18) +1231288138*a(n-19) -1737010178*a(n-20) +565537332*a(n-21) +117725104*a(n-22) -140920256*a(n-23) +40160256*a(n-24) -4325376*a(n-25)
EXAMPLE
Some solutions for n=2
..1..0..1..1....1..1..1..0....2..0..2..2....0..1..1..2....2..0..1..2
..1..2..1..0....1..0..0..0....2..0..2..2....0..1..1..0....1..0..1..2
..2..1..0..0....0..0..1..2....0..1..2..0....0..1..0..2....0..0..2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 27 2014
STATUS
approved