OFFSET
0,5
LINKS
Andrew Howroyd, Table of n, a(n) for n = 0..119 (first 15 antidiagonals; terms up to n=61 from R. H. Hardin)
EXAMPLE
Table starts
n\k | 0 1 2 3 4
----+-------------------------------------------------------------------
0 | 1 1 1 1 1 ...
1 | 1 2 3 4 5 ...
2 | 1 4 9 16 25 ...
3 | 1 14 87 340 1001 ...
4 | 1 140 5673 89520 790425 ...
5 | 1 4322 2577513 290838284 11991502235 ...
6 | 1 434542 8459809773 12092687195284 3632894572698505 ...
7 | 1 144109562 207495141083975 ...
8 | 1 165431317452 ...
...
Some solutions for n=4 k=3
..3..1..2..1....2..2..0..3....1..1..1..2....1..3..0..0....1..2..0..2
..2..3..2..0....1..2..2..2....3..0..1..1....1..0..1..2....3..1..0..1
..2..2..0..3....3..0..3..1....0..3..2..0....2..0..1..1....0..0..3..2
..0..1..3..3....1..3..2..1....1..1..1..2....0..1..2..1....1..2..2..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Dec 24 2011
EXTENSIONS
Added crossrefs. - R. H. Hardin, Jan 05 2012
Row and column zero inserted by Andrew Howroyd, Oct 14 2024
STATUS
approved