OFFSET
1,2
COMMENTS
Table starts
..1....2....3....5.....8.....13.....21......34.......55.......89.......144
..2....5....9...21....53....105....237.....577.....1205.....2681......6349
..3....9...13...30....66....123....252.....535.....1074.....2194......4530
..5...21...30...93...249....544...1372....3411.....8269....20472.....50397
..8...53...66..249...832...1956...5421...15993....42682...118773....341634
.13..105..123..544..1956...5277..16195...52752...158458...503426...1626380
.21..237..252.1372..5421..16195..53834..185090...619073..2213741...7903854
.34..577..535.3411.15993..52752.185090..722779..2706166.10841923..44886700
.55.1205.1074.8269.42682.158458.619073.2706166.11592019.54162509.259464240
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..241
FORMULA
Empirical for column k:
k=1: a(n) = a(n-1) +a(n-2)
k=2: a(n) = a(n-1) +8*a(n-3) -4*a(n-4)
k=3: a(n) = a(n-1) +4*a(n-3) +2*a(n-5) -a(n-7) -2*a(n-9) -2*a(n-11) -a(n-12)
k=4: [order 40] for n>41
EXAMPLE
Some solutions for n=5 k=4
..0..1..1..1. .0..1..1..1. .0..1..1..1. .0..1..1..1. .0..0..1..1
..1..1..1..1. .0..0..1..1. .1..1..1..1. .1..1..1..0. .1..0..1..0
..1..1..1..0. .1..1..1..1. .0..0..1..1. .1..1..1..1. .0..0..0..0
..1..1..1..1. .0..1..1..1. .0..1..1..1. .1..1..1..1. .0..0..1..1
..0..1..1..1. .0..0..1..1. .1..1..1..1. .0..1..1..0. .0..0..0..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Jun 23 2018
STATUS
approved