OFFSET
1,1
COMMENTS
Table starts
..2..5..11....25......57......129.......293........665........1509.......3425
..2..6...9....42.....124......474......1440.......5239.......16730......58945
..4.12..19...142.....553.....4112.....18373.....131958......625820....4472258
..6.16..24...348....1750....20657....149324....1954881....16557694..232884150
..8.16..25...653....5325....77314....947937...21847993...336059014.9470457699
.14.35..35..1809...21859...500139...9748926..420731038.11098085704
.20.35..45..3606...66809..2319189..75889699.5873834148
.30.36..76..8307..222091.11311246.583512422
.48.65.117.20609..811643.62333325
.70.83.180.42658.2448916
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..109
FORMULA
Empirical for column k:
k=1: a(n) = a(n-2) +2*a(n-3)
k=2: a(n) = 3*a(n-3) +a(n-5) -2*a(n-8) -4*a(n-9) -a(n-11) +2*a(n-14) for n>17
k=3: [order 76] for n>84
Empirical for row n:
n=1: a(n) = a(n-1) +2*a(n-2) +2*a(n-3)
EXAMPLE
Some solutions for n=4 k=4
..3..3..1..1....2..2..2..2....3..3..1..3....2..1..1..3....2..2..3..3
..2..0..2..3....3..3..1..1....2..0..0..2....3..3..0..2....3..1..0..2
..2..0..2..3....3..2..0..1....3..1..0..2....2..1..3..2....2..0..1..3
..2..0..0..2....2..0..2..2....3..1..0..2....2..0..1..2....2..0..1..3
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Apr 12 2014
STATUS
approved