OFFSET
1,2
COMMENTS
Table starts
..1....2....3......5........8.........13...........21..............34
..2....5....9.....21.......57........125..........289.............741
..3....9...14.....33.......92........220..........593............1787
..5...21...33....141......630.......2742........16008..........100830
..8...57...92....630.....6984......45681.......464357.........6124074
.13..125..220...2742....45681.....585418.....12414382.......278773058
.21..289..593..16008...464357...12414382....526480617.....21681685596
.34..741.1787.100830..6124074..278773058..21681685596...1721401739325
.55.1737.5401.603699.64822432.5491231349.800622189621.116191191089274
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..180
FORMULA
Empirical for column k:
k=1: a(n) = a(n-1) +a(n-2)
k=2: a(n) = 2*a(n-1) -a(n-2) +8*a(n-3) -8*a(n-4)
k=3: [order 17] for n>19
k=4: [order 52] for n>55
EXAMPLE
Some solutions for n=5 k=4
..0..0..0..1. .0..1..1..0. .0..0..0..1. .0..0..0..0. .0..0..1..1
..1..0..0..0. .0..0..0..0. .1..0..0..0. .1..0..0..1. .1..0..1..0
..1..0..1..1. .0..0..1..1. .1..1..1..1. .1..1..1..0. .1..1..0..1
..0..0..1..0. .0..0..0..1. .0..0..0..0. .0..0..1..0. .0..0..1..0
..0..0..0..0. .0..0..0..0. .0..1..1..0. .1..0..1..1. .1..0..1..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Aug 04 2018
STATUS
approved