OFFSET
1,1
COMMENTS
Column 6 of A223297
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 545*a(n-1) -9509*a(n-2) -1272418*a(n-3) +28188249*a(n-4) +343455921*a(n-5) -10615698560*a(n-6) +6644919388*a(n-7) +1115143980458*a(n-8) -4865200389068*a(n-9) -36863182740867*a(n-10) +243871158760989*a(n-11) +348237766702019*a(n-12) -4347692324962003*a(n-13) +1676659396161043*a(n-14) +32771062182083492*a(n-15) -39962029771741368*a(n-16) -99930101839316382*a(n-17) +187463467710652368*a(n-18) +68152359684322692*a(n-19) -275965060596418260*a(n-20) +88177492440040032*a(n-21) +73781671207252608*a(n-22) -31124995946138304*a(n-23) -1497321395510976*a(n-24) for n>25
EXAMPLE
Some solutions for n=3
..1..0..3..0..2..0....1..0..2..0..1..0....1..0..1..0..5..0....1..0..2..0..1..0
..0..1..0..6..0..8....0..1..0..7..0..1....0..1..0..8..0..7....0..1..0..1..0..8
..1..0..3..0..3..0....1..0..7..0..6..0....1..0..1..0..7..8....1..0..6..0..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 19 2013
STATUS
approved