OFFSET
1,5
COMMENTS
Table starts
0 1 1 2 3 5 8 13 21 34
0 3 7 10 27 45 98 193 379 778
0 10 22 29 74 162 363 782 1766 3953
0 23 79 89 283 649 1621 4209 9563 25179
0 61 269 353 1219 3621 14125 38410 108141 360173
0 162 942 941 3854 15862 72083 229708 713848 2948380
0 421 3401 3316 14639 69601 384916 1354563 4386347 20677591
0 1103 12283 12016 63093 385242 3027442 11370253 43394297 258471515
0 2890 43006 34060 222254 1809350 17837758 75667277 325745362 2460590443
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..220
FORMULA
Empirical for column k:
k=1: a(n) = a(n-1)
k=2: a(n) = 2*a(n-1) + a(n-2) + 2*a(n-3) - a(n-4)
k=3: [order 18]
k=4: [order 72] for n > 73
Empirical for row n:
n=1: a(n) = a(n-1) + a(n-2)
n=2: a(n) = a(n-1) + 3*a(n-2) - 4*a(n-4) for n > 5
n=3: [order 16] for n > 18
n=4: [order 64] for n > 66
EXAMPLE
Some solutions for n=5, k=4:
0 0 1 1 0 1 1 1 0 0 0 0 0 0 0 0 0 0 1 0
1 1 0 0 0 0 1 0 1 1 1 1 0 1 0 1 1 1 0 0
1 0 1 0 0 0 0 0 0 1 0 1 1 0 1 0 0 0 0 1
1 0 1 0 0 1 1 1 1 0 1 0 1 1 1 1 0 1 1 1
0 1 0 1 1 0 0 0 0 1 0 1 0 0 0 0 1 1 0 0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Apr 04 2018
STATUS
approved