OFFSET
1,2
COMMENTS
Table starts
.1...2....3.....4......5......6.......7.......8.......9......10.......11
.2...6...10....21.....34.....62.....100.....171.....276.....458......740
.3..10...24....24....107....236.....499....1228....2753....6292....14751
.4..21...24....60....210....637....1840....5792...18556...54034...160246
.5..34..107...210....768...1898....8211...37402..192579..635086..2366644
.6..62..236...637...1898...7468...26052..138476..831738.4677062.23090612
.7.100..499..1840...8211..26052..131056..648178.4336294
.8.171.1228..5792..37402.138476..648178.4614732
.9.276.2753.18556.192579.831738.4336294
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..126
FORMULA
Empirical for column k:
k=1: a(n) = 2*a(n-1) -a(n-2)
k=2: a(n) = a(n-1) +3*a(n-2) -2*a(n-3) -3*a(n-4) +a(n-5) +a(n-6)
k=3: [order 72]
EXAMPLE
Some solutions for n=5 k=4
..0..0..1..1. .1..1..0..0. .1..1..1..0. .1..0..0..1. .0..1..0..1
..0..1..0..0. .0..0..0..0. .0..0..0..0. .1..0..0..0. .0..1..0..1
..1..0..0..1. .1..0..0..1. .0..1..0..0. .0..0..0..1. .0..0..0..0
..0..0..0..1. .0..1..0..0. .0..0..1..0. .0..0..1..0. .0..0..0..0
..0..0..0..1. .0..0..1..1. .1..0..0..1. .1..0..1..0. .1..1..1..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, May 11 2016
STATUS
approved