OFFSET
1,12
COMMENTS
Table starts
.0.....0........0...........0.............0................0..................0
.0.....0........1...........6............49..............272...............1376
.0.....1.......34.........395..........3996............37869.............338397
.0.....6......395........8592........163860..........2875836...........47531178
.0....49.....3996......163860.......5814342........188295479.........5735340380
.0...272....37869.....2875836.....188295479......11220964804.......628267302565
.0..1376...338397....47531178....5735340380.....628267302565.....64590243667344
.0..6620..2903399...753320466..167289795994...33653819417006...6347644826932771
.0.30552.24188526.11573758019.4724329890393.1744021436949798.603124906010664854
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..180
FORMULA
Empirical for column k:
k=1: a(n) = a(n-1)
k=2: [order 15]
k=3: [order 27]
k=4: [order 51]
EXAMPLE
Some solutions for n=4 k=4
..0..0..0..0. .1..1..0..1. .0..0..1..1. .0..0..1..1. .0..1..0..0
..0..1..1..0. .1..0..1..1. .0..1..0..0. .0..1..1..0. .0..0..1..1
..0..1..1..1. .1..1..1..0. .1..1..1..0. .1..1..1..0. .1..0..1..1
..0..1..0..1. .1..1..0..0. .0..1..1..1. .0..1..0..1. .0..0..1..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Mar 03 2017
STATUS
approved