OFFSET
1,1
COMMENTS
Table starts
......4..........16.............64..............250................964
.....16.........256...........4096............62500.............929296
.....60........3600.........216000.........12067722..........648144348
....222.......49284.......10941048.......2208460532.......422888259007
....804......646416......519718464.....370962601314....247835569655956
...2872.....8248384....23689358848...58977586280183.135605581008614210
..10132...102657424..1040125019968.8920181825287255
..35383..1251956689.44297983526887
.122480.15001350400
.420752
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..60
FORMULA
Empirical for column k:
k=1: [linear recurrence of order 8]
k=2: [order 21]
k=3: [order 40]
Empirical for row n:
n=1: [linear recurrence of order 8]
n=2: [order 21]
EXAMPLE
Some solutions for n=2 k=4
..2..3..1..0....1..3..0..0....0..0..2..0....3..0..2..2....1..0..3..2
..3..0..3..2....3..0..3..0....2..2..2..0....2..1..2..0....0..0..1..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Jan 23 2016
STATUS
approved