OFFSET
1,5
COMMENTS
Table starts
.0.....0........0..........0.............0...............0..................0
.0.....3.......15.........46...........161.............601...............2208
.0....15.......97........666..........4827...........34869.............251260
.0....46......666.......8242........117088.........1674402...........23732454
.0...161.....4827.....117088.......3295771........93838003.........2644587148
.0...601....34869....1674402......93838003......5306819216.......297169006604
.0..2208...251260...23732454....2644587148....297169006604.....33056811286568
.0..8053..1811189..336380248...74502577363..16636687338399...3676498268449668
.0.29415.13056663.4770344900.2100207846025.931945034345185.409137247202506544
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..264
FORMULA
Empirical for column k:
k=2: a(n) = 3*a(n-1) +a(n-2) +4*a(n-3) +4*a(n-4) for n>5
k=3: [order 8] for n>9
k=4: [order 19]
k=5: [order 48] for n>49
EXAMPLE
Some solutions for n=4 k=4
..0..1..1..1. .0..0..1..1. .0..0..1..1. .0..1..1..0. .0..1..0..1
..0..0..0..0. .0..1..0..1. .1..0..0..1. .1..0..0..0. .0..0..1..1
..1..0..1..0. .0..1..0..1. .1..0..1..1. .0..0..1..1. .0..1..0..0
..1..1..1..1. .1..1..0..0. .0..1..0..1. .0..1..0..0. .0..0..1..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Nov 15 2016
STATUS
approved