OFFSET
1,12
COMMENTS
Table starts
.1...1...1....1......1.......1.........1..........1............1.............1
.1...1...1....2......5.......9........22.........45..........101...........218
.1...1..11....2.....27......36........86........162..........368...........727
.1...2...2....7.....34.....105.......406.......1504.........6183.........25013
.1...5..27...34....214....1270......3963......22290.......109407........575051
.1...9..36..105...1270...10681.....72509.....692536......6184710......57152783
.1..22..86..406...3963...72509....610525....9392919....119508030....1732328018
.1..45.162.1504..22290..692536...9392919..240137045...5101146140..120394407026
.1.101.368.6183.109407.6184710.119508030.5101146140.176490627544.6773268608554
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..197
FORMULA
Empirical for column k:
k=1: a(n) = a(n-1)
k=2: a(n) = a(n-1) +3*a(n-2) -2*a(n-4) for n>5
k=3: [order 12] for n>13
k=4: [order 34] for n>36
EXAMPLE
Some solutions for n=5 k=4
..0..1..1..0. .0..0..1..1. .0..1..1..1. .0..0..1..1. .0..0..1..1
..1..1..1..1. .0..0..1..1. .1..1..1..1. .0..0..1..1. .0..0..1..1
..1..0..1..0. .0..0..1..0. .1..1..0..0. .1..0..1..1. .0..1..1..1
..1..1..1..1. .1..1..1..1. .0..0..0..0. .0..0..0..0. .0..0..1..1
..0..1..1..1. .1..1..1..1. .0..0..0..1. .0..0..0..0. .0..0..1..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Jan 19 2018
STATUS
approved