OFFSET
1,1
COMMENTS
Table starts
...2.....4.......8........16...........32.............64..............128
...4....16......61.......233..........896...........3444............13225
...8....64.....409......2776........19220.........131617...........901397
..16...256....2837.....35373.......456316........5742620.........72394838
..32..1024...19776....448490.....10741381......247708452.......5724272337
..64..4096..137459...5676420....252014450....10634931992.....449942735521
.128.16384..955680..71903903...5921518755...457711375590...35481195059121
.256.65536.6645662.910712188.139111379622.19691576356912.2796411775700471
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..221
FORMULA
Empirical for column k:
k=1: a(n) = 2*a(n-1)
k=2: a(n) = 4*a(n-1)
k=3: [order 8]
k=4: [order 17]
k=5: [order 45]
Empirical for row n:
n=1: a(n) = 2*a(n-1)
n=2: a(n) = 3*a(n-1) +a(n-2) +7*a(n-3) +6*a(n-4)
n=3: [order 14]
n=4: [order 28]
n=5: [order 74]
EXAMPLE
Some solutions for n=4 k=4
..1..0..0..1. .0..0..1..0. .1..1..1..1. .0..0..0..0. .1..0..1..1
..0..1..1..0. .1..0..0..0. .0..1..0..0. .0..0..0..1. .1..0..1..1
..0..1..1..0. .0..1..1..0. .0..0..0..1. .0..0..0..0. .1..0..0..1
..1..1..0..0. .1..0..0..0. .1..0..0..1. .1..1..0..1. .1..1..0..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Mar 17 2017
STATUS
approved