OFFSET
1,2
COMMENTS
Table starts
...1....2....4.....8.....16......32......64......128.......256........512
...2....4...12....24.....64.....184.....432.....1088......2944.......7360
...4...12...18....32.....86.....158.....343......721......1520.......3228
...8...24...32....94....273.....767....2128.....6150.....17387......49477
..16...64...86...273...1134....3288...11731....39986....136448.....468584
..32..184..158...767...3288...12521...55039...238455...1028982....4474894
..64..432..343..2128..11731...55039..311014..1742187...9652212...54215925
.128.1088..721..6150..39986..238455.1742187.12726939..91021791..667854447
.256.2944.1520.17387.136448.1028982.9652212.91021791.841464188.8000379451
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..337
FORMULA
Empirical for column k:
k=1: a(n) = 2*a(n-1)
k=2: a(n) = 2*a(n-1) +8*a(n-3) -8*a(n-4) -8*a(n-5) for n>6
k=3: [order 8] for n>11
k=4: [order 28] for n>32
k=5: [order 34] for n>42
k=6: [order 98] for n>104
EXAMPLE
Some solutions for n=5 k=4
..0..0..0..0. .0..1..1..0. .0..0..0..0. .0..0..0..0. .0..0..1..1
..0..0..0..0. .0..0..0..0. .1..0..0..0. .0..0..1..0. .1..1..1..1
..1..0..1..1. .0..0..0..0. .1..0..0..1. .0..0..0..0. .1..1..1..1
..0..1..1..1. .0..1..0..0. .0..0..0..1. .0..0..0..0. .1..1..1..0
..1..1..1..1. .0..0..0..0. .0..0..0..0. .0..0..0..0. .1..1..0..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, May 28 2018
STATUS
approved