OFFSET
1,3
COMMENTS
Table starts
.1...1....1.....1.....1......1......1......1......1......1......1......1......1
.2...2....2.....2.....2......2......2......2......2......2......2......2......2
.2...5....5.....5.....5......5......5......5......5......5......5......5......5
.2...9...17....17....17.....17.....17.....17.....17.....17.....17.....17.....17
.2..11...41....70....70.....70.....70.....70.....70.....70.....70.....70.....70
.2..19...75...226...349....349....349....349....349....349....349....349....349
.2..27..156...538..1389...2017...2017...2017...2017...2017...2017...2017...2017
.2..44..340..1417..4255...9673..13358..13358..13358..13358..13358..13358..13358
.2..65..738..3734.13529..36321..74678..99377..99377..99377..99377..99377..99377
.2.104.1567.10564.42700.138420.335720.636645.822041.822041.822041.822041.822041
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..484
FORMULA
Empirical for column k:
k=2: a(n) = 2*a(n-2) +a(n-3) -a(n-5) for n>9
k=3: [order 14] for n>19
k=4: [order 46] for n>53
EXAMPLE
Some solutions for n=6 k=4
..2....2....3....0....2....3....3....4....1....4....1....4....4....0....4....1
..0....1....0....5....5....1....4....0....4....5....5....2....3....5....1....0
..4....4....2....1....3....5....2....2....0....2....4....5....5....2....0....4
..1....0....1....3....0....0....5....1....3....0....0....3....0....3....5....3
..5....5....5....2....4....4....0....5....2....3....3....0....2....1....2....5
..3....3....4....4....1....2....1....3....5....1....2....1....1....4....3....2
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Oct 22 2015
STATUS
approved