OFFSET
1,5
COMMENTS
Table starts
.1.....1.......1.........1...........1..............1................1
.1.....5......13........42.........127............389.............1192
.1....13......47.......255........1272...........6780............36498
.1....42.....255......2648.......25327.........258608..........2697270
.1...127....1272.....25327......476507........9482056........193080853
.1...389....6780....258608.....9482056......366298010......14485201471
.1..1192...36498...2697270...193080853....14485201471....1111703589144
.1..3645..198531..28350215..3949300187...574690828973...85529683934894
.1.11161.1088200.300252749.81288738492.22936158924074.6617480992614301
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)
k=2: a(n) = a(n-1) +5*a(n-2) +4*a(n-3)
k=3: [order 11] for n>13
k=4: [order 25] for n>26
k=5: [order 66] for n>69
EXAMPLE
Some solutions for n=5 k=4
..0..0..0..0. .0..1..0..1. .0..0..1..1. .0..1..0..0. .0..0..1..0
..0..0..1..0. .0..0..0..0. .1..0..1..0. .0..0..0..0. .0..0..1..1
..0..1..1..0. .0..1..1..0. .0..0..0..0. .0..0..0..0. .0..1..1..1
..1..1..0..0. .1..1..0..0. .0..0..0..1. .0..0..0..0. .0..0..0..1
..0..1..0..0. .1..0..0..1. .1..0..0..0. .0..0..1..0. .0..0..0..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Mar 03 2018
STATUS
approved