OFFSET
1,1
COMMENTS
Table starts
..122..178..297..416..628.1045.1694.2668..4265..6922.11196.18035.29122.47134
..178..272..371..449..630..894.1221.1707..2440..3476..4979..7189.10414.15114
..297..371..482..571..782.1086.1455.2010..2843..4018..5720..8226.11877.17199
..416..449..571..666..906.1247.1657.2280..3216..4533..6443..9258.13358.19335
..628..630..782..906.1202.1609.2091.2817..3895..5397..7564.10745.15361.22074
.1045..894.1086.1247.1609.2092.2656.3497..4731..6434..8878.12451.17617.25112
.1694.1221.1455.1657.2091.2656.3308.4272..5672..7588.10325.14312.20058.28377
.2668.1707.2010.2280.2817.3497.4272.5398..7007..9183.12266.16728.23125.32353
.4265.2440.2843.3216.3895.4731.5672.7007..8876.11367.14857.19863.26990.37220
.6922.3476.4018.4533.5397.6434.7588.9183.11367.14232.18194.23817.31757.43086
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..1403
FORMULA
Empirical for column k:
k=1: a(n) = 3*a(n-1) -3*a(n-2) +2*a(n-3) -a(n-4) -a(n-5) +a(n-6) for n>7
k=2: a(n) = 3*a(n-1) -2*a(n-2) -a(n-3) +a(n-4) -a(n-5) +2*a(n-6) -a(n-7) for n>9
k=3..7+: a(n) = 4*a(n-1) -6*a(n-2) +5*a(n-3) -4*a(n-4) +3*a(n-5) -a(n-6) for n>8
EXAMPLE
Some solutions for n=3 k=4
..1..1..0..0..0..0....1..0..0..0..0..0....0..1..0..0..0..1....1..0..0..0..0..0
..0..0..0..0..0..0....0..0..0..0..0..0....0..1..0..0..0..1....1..0..0..0..0..0
..0..0..0..0..0..0....0..0..0..0..0..0....0..1..0..0..0..1....1..0..0..0..0..0
..0..0..0..0..0..0....0..0..0..0..0..0....0..1..0..0..0..1....0..0..0..0..0..0
..1..2..1..1..1..1....0..0..0..0..0..0....0..0..0..0..0..1....0..0..0..0..1..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Apr 11 2013
STATUS
approved