OFFSET
1,2
COMMENTS
Table starts
..1....2....3......5.......8........13.........21...........34.............55
..2....5....9.....21......57.......125........289..........741...........1737
..3....9...14.....29......73.......165........394.........1068...........3018
..5...21...29....105.....379......1245.......5458........25315.........111407
..8...57...73....379....2345......9686......65283.......549872........3771839
.13..125..165...1245....9686.....69701.....887617.....10940249......123485236
.21..289..394...5458...65283....887617...20168266....403588059.....7455221517
.34..741.1068..25315..549872..10940249..403588059..13792577708...402260884943
.55.1737.3018.111407.3771839.123485236.7455221517.402260884943.18922956181705
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 18] for n>20
k=4: [order 66] for n>69
EXAMPLE
Some solutions for n=5 k=4
..0..1..1..1. .0..0..0..0. .0..1..1..1. .0..0..0..0. .0..0..0..0
..0..0..1..1. .0..0..1..0. .1..1..1..1. .1..0..0..0. .1..0..0..0
..0..0..1..0. .0..0..0..0. .1..1..1..1. .1..0..1..0. .1..1..0..0
..1..0..1..0. .0..1..1..1. .1..1..1..1. .1..0..0..0. .1..1..0..1
..0..0..1..1. .1..1..1..0. .0..1..1..1. .0..0..0..0. .0..1..0..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Jul 22 2018
STATUS
approved