[go: up one dir, main page]

login
A250991
Number of (n+1)X(5+1) 0..2 arrays with nondecreasing min(x(i,j),x(i,j-1)) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction
1
8298, 67409, 456514, 2800667, 16381510, 92713991, 514669302, 2820364768, 15340901571, 83091814176, 449262978479, 2428510789441, 13138233326277, 71179859311296, 386325547338598, 2100810121737207, 11446249430080861
OFFSET
1,1
COMMENTS
Column 5 of A250994
FORMULA
Empirical recurrence of order 51 (see link above)
EXAMPLE
Some solutions for n=2
..0..0..2..0..0..0....1..1..0..0..0..0....1..0..2..1..0..2....0..2..0..2..0..2
..0..0..2..0..0..2....1..2..1..1..1..2....1..0..2..2..2..0....0..1..2..0..2..0
..1..2..0..2..2..0....1..1..2..2..2..1....1..0..2..2..2..1....0..2..1..1..1..1
CROSSREFS
Sequence in context: A329342 A237948 A362578 * A206192 A252155 A258676
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 29 2014
STATUS
approved