OFFSET
1,5
COMMENTS
Table starts
..0....0.......1.........2...........6.............12...............28
..0....2.......6........26.........104............402.............1578
..1....6......97.......442........4892..........26226...........256732
..2...26.....442......6460.......96458........1449814.........22043878
..6..104....4892.....96458.....3708321.......85715676.......3064900470
.12..402...26226...1449814....85715676.....5075612300.....305391845288
.28.1578..256732..22043878..3064900470...305391845288...40651048407879
.56.6196.1544872.336883696.78636441270.18488589657334.4417815478017558
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..180
EXAMPLE
Some solutions for n=4, k=4
..1..0..0..1. .0..1..0..0. .1..0..1..0. .0..0..0..0. .1..1..1..1
..1..0..0..0. .0..1..1..1. .0..1..0..0. .1..1..1..0. .0..1..0..1
..0..1..1..0. .0..0..1..0. .1..0..0..0. .0..1..0..1. .0..0..0..0
..1..1..0..0. .1..1..0..0. .1..1..1..0. .1..0..1..1. .0..0..1..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Apr 08 2017
STATUS
approved