OFFSET
1,2
COMMENTS
Table starts
..1...2...3.....5......8.....13......21........34.........55..........89
..2...5...7....17.....35.....61.....127.......265........507........1013
..3...7..10....21.....46.....91.....186.......409........892........1931
..5..17..21....74....158....440....1220......3655......10907.......33353
..8..35..46...158....718...1964....6645.....27514.....103293......402198
.13..61..91...440...1964...7477...33695....166051.....806730.....4131259
.21.127.186..1220...6645..33695..219131...1493369....9934644....70625395
.34.265.409..3655..27514.166051.1493369..13595141..120265219..1153409542
.55.507.892.10907.103293.806730.9934644.120265219.1430955986.18455258095
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..199
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) +4*a(n-3) -4*a(n-4) for n>5
k=3: [order 16]
k=4: [order 67] for n>68
EXAMPLE
Some solutions for n=5 k=4
..0..0..0..0. .0..0..0..0. .0..0..1..1. .0..0..0..1. .0..1..1..0
..0..1..0..0. .0..0..1..0. .0..1..1..1. .0..0..0..0. .0..0..0..0
..1..1..0..1. .0..0..0..0. .1..1..1..1. .0..0..0..0. .0..0..1..1
..1..1..1..1. .0..0..0..0. .1..1..1..1. .0..1..0..0. .0..0..0..1
..1..1..1..1. .0..0..0..0. .1..1..1..0. .1..1..0..1. .0..0..0..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Jul 25 2018
STATUS
approved