OFFSET
1,5
COMMENTS
Table starts
.0......0..........0.............0.................0.....................0
.0......4.........47...........395..............3453.................30475
.0.....47.......1541.........46669...........1443372..............44653299
.0....395......46669.......4917221.........534794424...........58169902939
.0...3453....1443372.....534794424......205381236473........78878506284185
.0..30475...44653299...58169902939....78878506284185....106937880786585233
.0.268257.1380961734.6324036210246.30276634666919851.144890411982622214715
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..84
FORMULA
Empirical for column k:
k=2: [linear recurrence of order 8]
k=3: [order 40]
EXAMPLE
Some solutions for n=3 k=4
..0..3..1..3. .0..2..2..3. .0..1..3..2. .0..2..2..0. .0..3..2..1
..1..2..2..0. .1..3..3..0. .2..3..0..1. .1..3..1..1. .1..2..3..0
..0..0..3..2. .2..0..1..2. .0..1..3..2. .2..2..0..0. .0..1..1..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Nov 16 2016
STATUS
approved